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Lasix (Furosemide)

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Lasix is a highly effective FDA approved medication for the treatment of excessive edema (fluid retention) due to kidney disorder (nephrotic syndrome), heart failure, cirrhosis and liver disease. It is also used to treat high blood pressure (hypertension). Lasix works by regulating the way in which the body absorbs salts.

Other names for this medication:

Similar Products:
Bumex, Edecrin, Demadex, Sodium Edecrin, Fluss 40


Also known as:  Furosemide.


Lasix prevents excessive edema (fluid retention) in people with kidney disorder (nephrotic syndrome), heart failure, cirrhosis and liver disease. It is also used for the treatment of high blood pressure (hypertension), high levels of potassium (hyperkalemia), calcium (hypercalcemia), and magnesium (hypermagnesemia).

The active component, Furosemide, is a potent loop diuretic (water pill) that eliminates water and salt from the body. Furosemide works by blocking the absorption of sodium, chloride, and water from the filtered fluid in the kidney tubules, causing a profound increase in the output of urine (diuresis).

Lasix starts to act within one hour after oral administration, and the effect lasts for about 6-8 hours.


Lasix is available in tablets which should be taken orally with a full glass of water.

The dosage of Lasix depends on the body weight and on the health status of the recipient.

Take Lasix at the same time once a day.

Do not take more than your recommended dose, as high doses of furosemide may cause irreversible hearing loss.

Do not crush or chew the tablet.

To achieve the most effective results, do not stop taking Lasix suddenly.


In case of a Lasix overdose visit your doctor or health care provider immediately. Symptoms of a Lasix overdose include fainting, tinnitus, confusion, weakness, lightheadedness, lack of appetite.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture, light and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Lasix are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Lasix if you are allergic to any of its components or if you are unable to urinate.

Do not take Lasix if you are pregnant, plan to have a baby, or you are breastfeeding.

Do not take Lasix if you suffer from or have a history of kidney disease, cirrhosis or other liver disease, gout, lupus or diabetes.

Do not take Lasix if you suffer from enlarged prostate, bladder obstruction or other urination problems, or an electrolyte imbalance (such as low levels of potassium or magnesium in your blood).

Do not take Lasix if you suffer from high cholesterol or triglycerides (a type of fat in the blood).

Use Lasix with care if you are taking indomethacin (such as Indocin); steroids (such as prednisone); diabetes medicines; diet pills; sucralfate (such as Carafate); netilmicin (such as Netromycin); amikacin (such as Amikin); streptomycin; tobramycin (such as Nebcin, Tobi); gentamicin (such as Garamycin); digoxin (such as Lanoxin); blood pressure medicines; salicylates (such as aspirin, Tricosal, Disalcid, Dolobid, Salflex, Doan's Pills); cold medicines; lithium (such as Lithobid, Eskalith), ethacrynic acid (such as Edecrin); probenecid (such as Benemid).

This medicine can make your skin more sensitive to the sunlight. Try to protect your skin where possible.

Avoid becoming dehydrated.

If you are going to have surgery, inform your doctor that you are taking Lasix.

Do not stop taking Lasix suddenly.

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Sarcoidosis is a systemic disease with multiorgan involvement. In children, renal impairment of sarcoidosis usually is caused by either hypercalcemia leading to nephrocalcinosis or interstitial nephritis with or without granulomata. We report the case of a 13-year-old boy presenting with severe arterial hypertension and acute renal failure caused by an isolated sarcoid granulomatous interstitial nephritis (GIN). Other known causes of GIN, eg, drug intake or fungal or mycobacterial infection, were excluded, and there was no evidence of extrarenal sarcoid involvement. Renal function improved initially with prednisone treatment. Blood pressure was controlled using ramipril, nifedipine, furosemide, dihydralazine, and metoprolol. Later, the patient showed signs of severe steroid toxicity and progressive renal failure. Monthly treatment with infliximab, a tumor necrosis factor-alpha antibody, was started, resulting in steady improvement in renal function and resolution of renal granulomata. In addition, antihypertensive medication could be reduced, and low-dose prednisone therapy was maintained. To our knowledge, this is the first report of successful treatment with infliximab of a patient with sarcoid GIN.

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Horses were exercised on a high speed treadmill, using a maximum speed of 13 m/s. During each exercise, airway pressures, airflow, esophageal and pulmonary artery pressures, and blood gas partial pressures were measured.

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Although diuretics have been clinically shown to reduce cardiovascular morbidity and mortality, the effects of diuretics on cardiac hypertrophy are poorly understood. In this study, we examined the molecular effects of diuretics on hypertensive cardiac hypertrophy. Spontaneously hypertensive rats (SHR) were given p.o. M17055 (a novel "high ceiling" diuretic) 1.25, 2.5 or 5 mg/kg/day, furosemide 50 mg/kg/day or trichlormethiazide 30 mg/kg/day for 5 weeks. After the treatment, cardiac myosin isoforms were analyzed by gel electrophoresis, and cardiac hypertrophy-related gene expressions were examined by Northern blot analysis. These three diuretics significantly reduced cardiac hypertrophy of SHR. M17055 and furosemide, but not trichlormethiazide, significantly increased the proportion of cardiac V3 myosin of SHR by enhancing the gene expression of beta-myosin heavy chain. On the other hand, trichlormethiazide, but not M17055 or furosemide, suppressed the increased cardiac gene expression of skeletal alpha-actin in SHR. Cardiac collagen type III expression of SHR was decreased only by treatment with M17055. Plasma thyroid hormone levels of SHR were slightly decreased by M17055 and by furosemide and were negatively correlated with cardiac V3 myosin contents. Thus the effects on the gene expression of cardiac contractile proteins and collagen are significantly different among these three types of diuretics, which suggests that these diuretics may have different cardiac actions independent of their diuretic and antihypertensive actions. The increased cardiac V3 myosin induced by M17055 and by furosemide may be partially due to the decreased plasma thyroid hormone.

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CS remains a notable medical problem observed in the emergency and paediatric intensive care units in Lebanon. Immediate prognosis is related to: immediate recognition of the CS, nature of the cardiopathy and initial response to therapeutic procedures such as rapid improvement of respiratory status and rapid diuresis. Echocardiography is a reliable, quick and non-invasive procedure for initial diagnosis.

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The medical records of 150 children who underwent pyeloplasty from 1986 to 1995 were reviewed. After excluding nonevaluable cases a total of 127 renal units remained for investigation. Preoperatively each renal unit was examined with a standardized (well-tempered) furosemide stimulated renal scan. Postoperatively 60 renal units were evaluated with standardized diuretic renal scans at 3 and 12 months, 33 renal units at 3 months only and 34 renal units at 12 months only. Surgical success was defined by half-time less than 20 minutes on a standardized diuretic renogram.

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In human endothelial and renal epithelial cells, both loop diuretics induced an increase of 6-KetoPGF1alpha secretion that reached a peak after about 5 min and remained stable for 30 min of exposure to the drugs. The magnitude of the phenomenon was lesser in epithelial than in endothelial cells. Moreover, in both cell lines, there was a significantly higher secretion of 6-KetoPGF1alpha to torasemide than furosemide (P < 0.05). Concentrations of 6-KetoPGF1alpha at baseline were similar between the groups of CHF patients receiving the two different drugs. After 25 min of both drugs, 6-Keto-PGF1alpha significantly increased (P < 0.01), and this was significantly higher in patients treated with 10 mg of torasemide (P < 0.05 vs furosemide). Levels of PGI2 at baseline were lower in healthy controls than those reached by CHF patients and similar between groups. After 25 min of both drugs, PGI2 plasma levels were significantly increased (P < 0.01). Baseline values of TxB2 were significantly higher in CHF patients compared with controls (P < 0.01 vs respective groups). and, more importantly, furosemide but not torasemide increased TxB2 levels in patients and controls (P < 0.05 vs baseline).

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The mitochondria-rich epithelial cells of the renal medullary thick ascending limb (mTAL) reabsorb nearly 25% of filtered sodium (Na(+)) and are a major source of cellular reactive oxygen species. Although we have shown that delivery of Na(+) to the mTAL of rats increases superoxide (O(2)(·-)) production in mTAL, little is known about H(2)O(2) production, given the lack of robust and selective fluorescent indicators for determining changes within the whole cell, specifically in the mitochondria. The present study determined the effect of increased tubular flow and Na(+) delivery to mTAL on the production of mitochondrial H(2)O(2) in mTAL. H(2)O(2) responses were determined in isolated, perfused mTAL of Sprague-Dawley rats using a novel mitochondrial selective fluorescent H(2)O(2) indicator, mitochondria peroxy yellow 1, and a novel, highly sensitive and stable cytosolic-localized H(2)O(2) indicator, peroxyfluor-6 acetoxymethyl ester. The results showed that mitochondrial H(2)O(2) and cellular fluorescent signals increased progressively over a period of 30 min following increased tubular perfusion (5-20 nl/min), reaching levels of statistical significance at ∼10-12 min. Responses were inhibited with rotenone or antimycin A (inhibitors of the electron-transport chain), polyethylene glycol-catalase and by reducing Na(+) transport with furosemide or ouabain. Inhibition of membrane NADPH-oxidase with apocynin had no effect on mitochondrial H(2)O(2) production. Cytoplasmic H(2)O(2) (peroxyfluor-6 acetoxymethyl ester) increased in parallel with mitochondrial H(2)O(2) (mitochondria peroxy yellow 1) and was partially attenuated (∼65%) by rotenone and completely inhibited by apocynin. The present data provide clear evidence that H(2)O(2) is produced in the mitochondria in response to increased flow and delivery of Na(+) to the mTAL, and that whole cell H(2)O(2) levels are triggered by the mitochondrial reactive oxygen species production. The mitochondrial production of H(2)O(2) may represent an important target for development of more effective antioxidant therapies.

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In patients with decompensated heart failure, absorption of orally administered furosemide may be delayed, possibly leading to impaired pharmacodynamic effects. Sublingual administration may represent an alternative in such situations.

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The primary efficacy end point was a change in 24-hour net urine output (UOP) from before to after thiazide-type diuretic administration, and the study was designed to test for the noninferiority of metolazone. Safety end points included changes in renal function and electrolyte concentrations. The mean dose of IV loop diuretic therapy (in IV furosemide equivalents) at baseline (before thiazide-type diuretic administration) was higher in the chlorothiazide group (mean ± SD 318.9 ± 127.7 vs 268.4 ± 97.6 mg/day in the metolazone group, p=0.004), but net UOP was similar (mean ± SD 877.0 ± 1189.0 ml in the chlorothiazide group vs 710.6 ± 1145.9 ml in the metolazone group, p=0.344). Mean doses of chlorothiazide and metolazone were 491 ± 282 mg and 5.8 ± 3.5 mg, respectively. Following thiazide-type diuretic administration, net UOP improved to a similar degree (2274.6 ± 1443.0 ml vs 2030.2 ± 1725.0 ml in the chlorothiazide and metolazone groups, respectively, p=0.308). For the primary efficacy end point, metolazone met the threshold for noninferiority by producing a net UOP of 1319.6 ± 1517.4 ml versus 1397.6 ± 1370.7 ml for chlorothiazide (p=0.026 for noninferiority). No significant differences in renal function were observed between the groups. Although hypokalemia was more frequent in the chlorothiazide group (75% with chlorothiazide vs 60.7% with metolazone, p=0.045), no significant differences in the rates of severe hypokalemia or other electrolyte abnormalities were observed between the groups.

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Early goal-directed diuresis therapy can improve the prognosis of critical ill patients.

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Male gender, prematurity and delivery by cesarean section were the major risk factors for TTN. Parenteral furosemide had no effect on the clinical course. Peak respiratory rate (RRpeak) at the first 36 h was significantly higher in group 2 (P > 0.000). The cut-off for RRpeak during the first 36 h (RRpeak36) was 90/min and RRpeak36 > 90/min caused a 7.04-fold risk of prolonged tachypnea. White blood cell count and hematocrit levels were lower whereas duration of hospitalization and antibiotic treatment were longer in group 2.

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The estimated prevalence of thiamine deficiency in stable HF patients was calculated to be <11.6%. There was no correlation between diuretic dose and thiamine levels (r = 0.02, P = 0.93) and there was no correlation found between left-ventricular ejection fraction (LVEF) and thiamine levels (r = 0.147, p = 0.44).

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Pharmocodynamic dose-effect investigation.

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After 4-week treatment with 300 mg irbesartan + 12.5 mg hydrochorothiazide + 5 mg amlodipine, 86 patients with resistant hypertension were randomized to the add-on 25 mg spironolactone (MRB group, n = 46) or 5 mg ramipril (RASB group, n = 40) groups for 12 weeks. Treatment intensity was increased at week 4, 8 or 10 if home blood pressure (BP) was equal to or above 135/85 mmHg, by sequentially adding 20-40 mg furosemide and 5 mg amiloride (MRB group), or 10 mg ramipril and 5-10 mg bisoprolol (RASB group). Transthoracic echography was performed at baseline and week 12.

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The preliminary results demonstrate increased subcutaneous fat (increased skin fold thickness), greater muscle bulk (increased mid-upper arm and thigh circumferences) together with a significant elevation in plasma albumin and the hematocrit, which reflect the anabolic state in patients treated with ACE inhibitor-digoxin-diuretic with congestive heart failure.

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Malnutrition is common in children with congenital heart disease, while thiamine deficiency (TD) is common in malnutrition, in critically ill children, and in adults with congestive heart failure treated with loop diuretics. Our goal was to determine whether children with congenital heart disease had TD and whether treatment with loop diuretics is related to TD in these patients.

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Ionic perturbations occur during cortical spreading depression (SD), a phenomenon implicated in migraine pathophysiology. We studied the effect of 0.2, 2 and 20 mg kg-1 i.v. (n=4) furosemide on cortical direct current (d.c.) potential, cerebrovascular laser Doppler flux (rCBF[LDF]), artery diameter and NO concentration in the parietal cortex of the anaesthetized cat during repetitive SD. In vehicle-treated animals (n=4), SD activity was sustained for 50+/-1.8 min. However, duration of SD activity was significantly reduced when compared to vehicle to 39+/-6.6 (n=4), 34+/-8.5 (n=4) and 27.3+/-11.3 min (n=4), at 0.2, 2 and 20 mg kg-1 i.v. furosemide respectively. It is hypothesized that the mechanism of inhibition of SD d.c. activity by furosemide may be through alterations in cortical ion buffering capacity or inhibition of cell swelling in neurones or glia. These mechanisms may represent potential novel drug targets in future migraine therapy.

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Long-term diuretic therapy in stable infants with oxygen-dependent bronchopulmonary dysplasia, after extubation, improves their pulmonary function and decreases their fractional inspired oxygen requirement, but does not decrease the number of days that they require supplemental oxygen. The improvement in pulmonary function associated with diuretic therapy is not maintained after treatment is discontinued.

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No adverse effects or modifications of the blood pressure were observed after captopril administration. The diuretic response was deeply worsened by angiotensin converting enzyme inhibition in each hydronephrotic kidney even when the basal study was only slightly abnormal (15-minute washout basal -27 +/- 16%, after captopril -9 +/- 13, p <0.005). After surgical correction the diuretic washout during angiotensin inhibition appeared normal in all patients (15-minute washout -56 +/- 14%). Separate renal function and parenchymal transit of MAG-3 were not modified by angiotensin converting enzyme inhibition, preoperatively or postoperatively.

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The contribution that alpha6 subunit-containing GABA(A) receptors make to inhibitory synaptic transmission to granule cells was investigated by making whole-cell patch clamp recordings from granule cells in adult rat cerebellar slices and applying furosemide, the specific alpha6 subunit-containing GABA(A) receptor antagonist. Endogenous, extracellular GABA continually activated GABA(A) receptors producing a tonic current. Since this current was markedly reduced by furosemide it was probably produced by alpha6 subunit-containing receptors. In contrast, furosemide had little effect on the amplitude or kinetics of fast spontaneous inhibitory postsynaptic currents (sIPSCs), although such sIPSCs were abolished by bicuculline and SR95331. However, the amplitude of evoked IPSCs with a very slow rise and decay were markedly reduced by furosemide. These IPSCs probably resulted from the spillover of GABA from neighbouring synapses activating high affinity alpha6 subunit-containing receptors. In the rest of the cells (40 out of 46), evoked IPSCs had rise and decay kinetics that lay in-between fast sIPSCs and slow 'spillover' IPSCs. Such IPSCs had variable kinetics and also exhibited considerable variation in the magnitude of furosemide block. Thus the GABA(A) receptors present at adult Golgi cell-granule cell synapses, at a developmental stage where receptor expression is complete, are highly heterogeneous.

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A well-established method to create an animal model for profound deafness is cotreatment with an aminoglycoside antibiotic and a loop diuretic. Recent data indicated that reduction of the aminoglycoside dose might yield selective high-frequency hearing loss. Such a model is relevant for studies related to hybrid cochlear implant devices, for example, with respect to preservation of residual hearing.

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The tubular secretion of diuretics in the proximal tubule has been shown to be critical for the action of drugs. To elucidate the molecular mechanisms for the tubular excretion of diuretics, we have elucidated the interactions of human organic anion transporters (hOATs) with diuretics using cells stably expressing hOATs. Diuretics tested were thiazides, including chlorothiazide, cyclothiazide, hydrochlorothiazide, and trichlormethiazide; loop diuretics, including bumetanide, ethacrynic acid, and furosemide; and carbonic anhydrase inhibitors, including acetazolamide and methazolamide. These diuretics inhibited organic anion uptake mediated by hOAT1, hOAT2, hOAT3, and hOAT4 in a competitive manner. hOAT1 exhibited the highest affinity interactions for thiazides, whereas hOAT3 did those for loop diuretics. hOAT1, hOAT3, and hOAT4 but not hOAT2, mediated the uptake of bumetanide. hOAT3 and hOAT4, but not hOAT1 mediated the efflux of bumetanide. hOAT1 and hOAT3, but not hOAT2 and hOAT4 mediated the uptake of furosemide. In conclusion, it was suggested that hOAT1 may play an important role in the basolateral uptake of thiazides, and hOAT3 in the uptake of loop diuretics. In addition, it was also suggested that bumetanide taken up by hOAT3 and/or hOAT1 is excreted into the urine by hOAT4.

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GABA(A) receptors are heteropentamers that are heterogeneously distributed at different synapses in the central nervous system. Although the modulation of GABA(A) receptors received much attention in hippocampal pyramidal cells, information is scarce regarding the pharmacology of these receptors in inhibitory interneurons. We investigated the pharmacological properties of GABA(A)-mediated miniature inhibitory postsynaptic currents (mIPSCs) using whole-cell voltage clamp recordings in two morphologically identified types of hippocampal CA1 interneurons, horizontal and vertical cells of stratum oriens-alveus. The negative modulators zinc (200 microM) and furosemide (600 microM) significantly decreased the amplitude of mIPSCs. Benzodiazepine agonists also produced significant effects: 10 microM zolpidem increased the amplitude, rise time, and decay time constant (decay tau) of mIPSCs, whereas 10 microM flunitrazepam affected similarly the amplitude and decay tau, but not the rise time. The neurosteroid allopregnanolone (10 microM) prolonged the decay tau of mIPSCs. Since these modulators act on different GABA(A) receptor subunits, this pharmacological profile suggests that GABA(A) receptors at spontaneously active inhibitory synapses onto vertical and horizontal interneurons are heterogeneous and formed by co-assembly of different combinations of subunits (alpha(1-5)beta(1-3)gamma(1-3)). Furthermore, these synaptic GABA(A) receptors appear in large part pharmacologically similar to those of pyramidal cells.

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The major outward chloride transporter in neurons is the potassium chloride co-transporter 2 (KCC2), critical for maintaining an inhibitory reversal potential for GABA(A) receptor channels. In a recent study, we showed that Zn(2+) regulates GABA(A) reversal potentials in the hippocampus by enhancing the activity of KCC2 through an increase in its surface expression. Zn(2+) initiates this process by activating the Gq-coupled metabotropic Zn(2+) receptor/G protein-linked receptor 39 (mZnR/GPR39). Here, we first demonstrated that mZnR/GPR39 is functional in cortical neurons in culture, and then tested the hypothesis that the increase in KCC2 activity is mediated through a soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE)-dependent process. We established the presence of functional mZnR in rat cultured cortical neurons by loading cells with a Ca(2+) indicator and exposing cells to Zn(2+), which triggered consistent Ca(2+) responses that were blocked by the Gq antagonist YM-254890, but not by the metabotropic glutamate receptor antagonist (RS)-α-methyl-4-carboxyphenylglycine (MCPG). Importantly, Zn(2+) treatment under these conditions did not increase the intracellular concentrations of Zn(2+) itself. We then measured KCC2 activity by monitoring both the rate and relative amount of furosemide-sensitive NH(4)(+) influx through the co-transporter using an intracellular pH-sensitive fluorescent indicator. We observed that Zn(2+) pretreatment induced a Ca(2+)-dependent increase in KCC2 activity. The effects of Zn(2+) on KCC2 activity were also observed in wild-type mouse cortical neurons in culture, but not in neurons obtained from mZnR/GPR39(-/-) mice, suggesting that Zn(2+) acts through mZnR/GPR39 activation to upregulate KCC2 activity. We next transfected rat cortical neurons with a plasmid encoding botulinum toxin C1 (Botox C1), which cleaves the SNARE proteins syntaxin 1 and synaptosomal-associated protein 25 (SNAP-25). Basal KCC2 activity was similar in both transfected and non-transfected neurons. Non-transfected cells, or cells transfected with marker vector alone, showed a Zn(2+)-dependent increase in KCC2 activity. In contrast, KCC2 activity in neurons expressing Botox C1 was unchanged by Zn(2+). These results suggest that SNARE proteins are necessary for the increased activity of KCC2 after Zn(2+) stimulation of mZnR/GPR39.

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Intravenous pamidronate and subcutaneous calcitonin.

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Dogs with MMVD were treated with enalapril and furosemide for at least 1 month prior to examination. All dogs underwent standard and contrast echocardiographic examinations at the beginning of the study (T0). At this time, MMVD dogs were randomly assigned to receive either pimobendan (0.4-0.6 mg/kg) or not. All dogs with MMVD were re-evaluated by standard and contrast echocardiography after 1 week (T1) and nPTT and nMP were measured.

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Studies were performed to evaluate the contribution of the urea appearance rate to the elevated plasma urea concentration found during diuretic-induced sodium depletion. Negative sodium balance of -1162 + 29 microEq/100 g body wt was induced over a four day period by the administration of furosemide, 20 to 30 mg/kg/d i.p., to rats ingesting a sodium free diet. When compared with sodium replete controls, sodium depletion significantly increased the plasma urea concentration (65.0 +/- 3.1 vs. 26.4 +/- 1.1 mg/dl) through both an increase in the urea appearance rate (160 +/- 5.2 vs. 125 +/- 3.5 mg/day/100 g body wt), and a decrease in the urea clearance rate (1.99 +/- 0.14 vs. 3.16 +/- 0.12 ml/min/kg). The urea appearance rate increased on the first day of diuretic administration, remained elevated three days after stopping diuretics, rapidly returned to control levels after sodium repletion, and was significantly correlated with the magnitude of sodium deficit. Similar results were obtained when diuretic-induced sodium depletion was produced in adrenalectomized animals. After four days of sodium depletion the plasma concentration was increased for some amino acids but not for the plasma total amino acid, nitrogen concentration. The results indicate that sodium depletion increases the urea appearance rate through a mechanism that is independent of adrenal function. Thirty to sixty percent of the elevation in plasma urea concentration that occurs in the rat during diuretic-induced sodium depletion can be accounted for by an enhanced urea appearance rate.

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lasix overdose 2017-02-25

To determine the dose related decrease buy lasix in systolic and/or diastolic blood pressure as well as adverse events leading to patient withdrawal and adverse biochemical effects (serum potassium, uric acid, creatinine, glucose and lipids profile) due to loop diuretics versus placebo control in the treatment of patients with primary hypertension.

lasix pill identifier 2015-04-25

L’hypercalcémie aigue est rare, bien qu’elle constitue un trouble important de la buy lasix petite enfance et de l’enfance du point de vue clinique. Rares sont les hypercalcémies à médiation de peptide lié à l’hormone parathyroïdienne (PTHrP) qui résultent d’une malignité, et seules quelques observations cliniques témoignent de leur incidence dans les cas de troubles bénins.

lasix gtt dose 2015-12-13

In a randomized crossover study we compared the efficacy of a continuous infusion of high dose furosemide (mean daily dosage 690 mg, range 250 to 2,000) versus a single bolus injection of an equal dose in 20 patients with severe heart failure. The patients received an equal buy lasix dosage, either as a single intravenous bolus injection or as an 8-h continuous infusion preceded by a loading dose (20% of total dosage).

lasix generic name 2016-09-24

Cl transport mechanisms in polarized cultures of canine tracheal epithelium were examined using an Ussing-type chamber with independent mucosal and serosal perfusion. Cl activity was monitored continuously from fluorescence of entrapped 6-methoxy-N-(3-sulfopropyl)quinolinium (SPQ). When added to the serosal (but buy lasix not mucosal) solution, isoproterenol increased Cl fluxes across the apical membrane Cl more than fourfold. Apical Cl transport was sensitive to diphenylamine-2-carboxylate (DPC) but not to furosemide, whereas basolateral membrane Cl transport was sensitive to furosemide but not to DPC. Based on a mathematical model of Cl transport, we developed a sensitive protocol to measure hormone-sensitive Cl transport. In Cl-loaded cells in which basolateral Cl transport was partially inhibited by furosemide, mucosal Cl removal caused no Cl efflux before but rapid efflux (0.25 mM/s) after addition of isoproterenol or chlorophenylthio-cAMP. In the presence of indomethacin to block prostaglandin production, elevation of intracellular Ca by bradykinin or 4-bromo-A23187 did not cause Cl efflux, nor did Ca buffering with 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid affect stimulation by the cAMP pathway. Phorbol 12-myristate 13-acetate increased Cl efflux submaximally (0.09 mM/s) but did not affect maximal stimulation by cAMP agonists. Methoxamine did not alter apical or basolateral membrane Cl transport.(ABSTRACT TRUNCATED AT 250 WORDS)

lasix 5 mg 2015-12-24

We studied prevalence, causes and consequences buy lasix of worsening renal function (WRF) during hospitalization for acute heart failure (AHF).

lasix 500mg tablet 2016-03-03

In fluid-replete rats without PD, injections of muscimol (0.5nmol/0.2μl) into the LPBN induced 0.3M NaCl and water intake and a pressor response. In fluid-replete rats with PD, a decrease was observed in water intake and pressor response but not in 0.3M NaCl intake. In control rats with FURO+CAP treatment, injections of muscimol into the LPBN increased 0.3M NaCl and water intake. In PD rats with FURO+CAP treatment, a buy lasix decrease was observed in 0.3M NaCl and water intake after muscimol in the LPBN. Alveolar bone loss and interleukin-6 (IL-6) and tumour necrosis factor-α (TNF-α) plasmatic concentration were higher in PD rats in comparison with controls.

lasix 10 mg 2015-11-20

Randomized, double-blind, placebo-controlled buy lasix , crossover trial.

lasix 8 mg 2016-04-09

Use of enalapril in combination with standard treatment (diuretics with or without digoxin) appears to be beneficial over an extended period, compared with standard buy lasix treatment alone.

lasix yellow pill 2015-05-02

Data were extracted independently by each author and were analysed by the standard methods of the Cochrane Collaboration using relative risk (RR) and risk buy lasix difference (RD), a fixed effect model and sensitivity analyses where appropriate.

lasix brand name 2016-03-25

In patients with acute heart failure (AHF), dyspnea relief is the most immediate goal. Renal dysfunction, diuretic resistance, and buy lasix hyponatremia represent treatment impediments.

lasix 60 mg 2015-04-30

Anephric rats injected subcutaneously with urea in isotonic saline drank much more than anephric control animals receiving isotonic saline alone. The pattern of water intake and urine output of normal rats, repeatedly injected with urea solution, was similar to that of rats injected with dipsogenic hypertonic NaCl and quite different from that of rats receiving furosemide. A well-evident dipsogenic effect (unrelated to the urine output) was observed in normal rats repeatedly injected with urea solution and having a rapid rise of serum urea concentrations. On the contrary, in rats receiving a single load of urea and showing first a very rapid increase, then followed by a slow decrease of serum urea concentrations, the dipsogenic effect was present only initially. These results demonstrate that urea exerts a direct dipsogenic action which may be interpreted as a consequence of an osmotic gradient between the extra- and the intracellular fluid. When this is positive, as in the case of a rapid rise of serum urea levels, cell dehydration ensues and thirst is stimulated. On the buy lasix contrary, when serum urea levels are decreasing and, presumably, when the intra- and the extracellular concentrations of urea are in equilibrium, no cellular dehydration occurs and thirst does not appear.

lasix pill 2016-11-12

High dose furosemide is commonly used in renal failure to induce diuresis but rarely employed in cardiac failure. As furosemide elimination depends largely on renal excretion, drug accumulation with attendant side-effects would be expected to occur more commonly with renal failure than with cardiac failure. Response to a combination of thiazide diuretics and lower doses of furosemide is often unpredictable, ineffective and sometimes hazardous. High dose furosemide (greater than or equal to 0.5 g day-1) was administered for at least four weeks in 24 patients with severe cardiac failure refractory to a lower dose and to other conventional therapy. Mean maintenance dose of furosemide was 0.7 g day buy lasix -1 and the maximum dose of furosemide averaged 1.3 g day-1. A peak dose of 8 g day-1 was used successfully in one patient. Improvement was observed in all patients when dosage was increased to and above 0.5 g day-1. There were no major side-effects although new-onset gout (4) and tinnitus (1) were reported; hypokalaemia was readily controlled with spironolactone or potassium supplements. Average duration of therapy was 12 months with a maximum of 33 months. High dose furosemide is logical and effective therapy (with other measures) for severe cardiac failure and relatively safe when administered cautiously. The maximum safe dose is probably no less than that used in renal failure.

lasix dose forms 2015-02-25

Self-sustaining status epilepticus was induced in rats by continuous electrical stimulation of the perforant path. Five minutes after the end of the stimulation, animals were given 100 mg/kg furosemide, 30 mg/kg pentobarbital, or an equal amount of saline, intraperitoneally. After administration of the substance, animals were monitored clinically and electrographically for 3 h regarding status epilepticus, level of sedation buy lasix , and diuresis.

lasix 10mg tablet 2015-07-11

We investigated the process of slow motility in non-mammalian auditory hair cells by recording the time course of shape change in hair cells of the frog amphibian papilla. The tall hair cells in the rostral segment of this organ, reported to be the sole recipients of efferent innervation, were found to shorten in response to an increase in the concentration of the intracellular free calcium. These shortenings are composed of two partially-overlapping phases: an initial rapid iso-volumetric contraction, followed by a slower length decrease accompanied with swelling. It is possible to unmask the iso-volumetric contraction by delaying the cell swelling with the help of K+ or Cl- channel inhibitors, quinine or furosemide. Furthermore, it appears that the longitudinal contraction in these cells is Ca2+-calmodulin-dependent: in the presence of W-7, a calmodulin inhibitor, only a slow, swelling phase could be observed. These findings suggest that amphibian rostral AP hair cells resemble their mammalian counterparts in expressing both a Ca2+-calmodulin-dependent contractile structure and an "osmotic" mechanism capable of mediating length change in response to extracellular stimuli. Such buy lasix a mechanism might be utilized by the efferent neurotransmitters for adaptive modulation of mechano-electrical transduction, sensitivity enhancement, frequency selectivity, and protection against over-stimulation.

lasix normal dosage 2015-06-14

Nephrocalcinosis has been reported in patients treated with acetazolamide and other agents, such as furosemide or bicarbonate Prandin Dosage . We present a case of nephrocalcinosis induced solely by acetazolamide and diagnosed radiographically. Possible mechanisms of pathogenesis are reviewed.

lasix dosage racehorses 2015-06-29

Carvedilol may play Vasotec Normal Dosage an important role in treating HF associated with a UVH.

lasix max dose 2015-12-15

The homeobox transcription factor Prox1 is critical to the development of many embryonic organs and tissues, although current understanding of its expression in the developing renal medulla is limited. We examined the functional role of Prox1 during mouse kidney development with particular emphasis on the developing loop of Henle. Our data show that Prox1 is expressed in the transdifferentiating region from the NKCC2-positive thick ascending Levaquin Pill limb, into the CLC-K1-positive ascending thin limb of Henle's loop beginning at embryonic day 18. From 1 to 14 days of age, Prox1-positive cells gradually disappeared from the papillary tip, and remained in the initial part of inner medulla after 21 days. In this transforming area, no Prox1 was observed in cells undergoing apoptosis but was expressed strongly in the remaining cells, which differentiated into ascending thin limb epithelial cells. In vitro and in vivo approaches showed that Prox1 expression increases where the osmolality is near optimal range, but decreases at below- or above-optimal ranges. Renal hypoosmolality induced by furosemide (NKCC2 inhibitor) inhibited Prox1 expression and delayed maturation of the ascending limb of Henle's loop. Together, these studies suggest that Prox1 appears to be a critical stage specific regulator of specifying ascending thin limb cell fate and that its expression is regulated by osmolality.

lasix dosage elderly 2016-10-21

Bioelectrical impedance analysis (BIA) parameters, measured volume Noroxin 400 Dosage of diuresis and changes in body weight, defined clinical endpoints (NYHA criteria).

lasix oral medication 2015-05-03

Congenital aortic stenosis is a relatively common cardiac anomaly encountered in approximately 5% of all children with heart disease. The Ross procedure is increasingly used for replacement of the aortic valve in children. We report a 12-year-old boy who was born with congenital aortic stenosis secondary to a bicommissural Celebrex 300 Mg aortic valve. The patient underwent open valvotomy in infancy and aortic valvuloplasty 2 years later. Residual/recurrent stenosis prompted referral for aortic valve replacement, and he underwent an autologous Ross procedure, in which the aortic root was replaced with a pulmonary autograft and the repaired aortic valve was used to restore right ventricular-to-pulmonary artery continuity. The postoperative course was unremarkable. Nitroprusside, esmolol, and labetolol were used to control postoperative hypertension. He was discharged 4 days after surgery on oral furosemide and aspirin, and he has had no cardiovascular symptoms during follow-up. Recent echocardiography demonstrated mild right ventricular outflow tract obstruction with a peak velocity of 3.6 m/sec, with a gradient of 42 mmHg and moderate pulmonary insufficiency. There was no left ventricular outlet tract obstruction or aortic insufficiency.

lasix mg 2016-06-24

In patients Depakote 1250 Mg with early stages of heart failure, digoxin may prevent a progressive deterioration in heart rate variability, whereas ibopamine does not show statistically significant effects. The changes in heart rate variability with digoxin parallel an observed decrease in neurohormonal activation. Digoxin apparently enhances cardiac vagal tone in the setting of neuroendocrine activation.

lasix dose 2016-08-21

The treatment with high-dose fenoldopam during CPB in pediatric patients undergoing cardiac surgery for CHD with biventricular anatomy significantly decreased urinary levels of NGAL Ponstel S Medicine and CysC and reduced the use of diuretics and vasodilators during CPB.

lasix usual dosage 2017-12-23

Effects of Furosemide (FM) on the ionic channels in the ganglion cells of Aplysia were investigated using a conventional electrophysiological method. Application of 1 mM FM for 30 min did not alter the resting membrane potential or conductance. Na+-dependent responses to acetylcholine (ACh) were slightly depressed but Cl--dependent responses to ACh and gamma-aminobutyric acid (GABA) were markedly depressed by FM. On the other hand, K+-dependent responses to ACh and dopamine (DA), and cyclic adenosine-3', 5' monophosphate (cAMP)-dependent response to DA were not appreciably altered by 1 mM FM. The depressing effects of FM on both Na+- and Cl--dependent responses were due to the non-competitive inhibition of their receptor activities. It was concluded that 1 mM FM can change neither Na+-K+-pump nor Cl--pump mechanisms in the ganglion cells of Aplysia, but it depresses the receptor-operated Na+-and Cl--channel activities, the greater effect on the open Cl--channels. In addition, it was postulated that FM effect may be highly specific to the open state of Cl--channels, regardless of whether the membrane is excitable or not.

lasix drug class 2015-02-01

Blood and urine samples were collected at appropriate times during a 12-hour administration interval at steady state. Levofloxacin concentrations were determined by high-performance liquid chromatography. Clinical and microbiological outcomes were assessed.

lasix generic 2017-10-31

A set of controlled experimental animal procedures involving pharmacological and surgical interventions was carried out to assess the clinical validity of the parameters calculated by the "integral spleen" method of renography analysis. There appeared to be a good correlation between the observed changes of these parameters and current pathophysiological information. In particular, the described method includes an original calculation of the filtration fraction without blood and urine sampling or a second tracer injection. This calculation was experimentally validated here.

lasix 300 mg 2017-01-28

Candoxatril is a novel neutral endopeptidase inhibitor that increases plasma concentrations of atrial natriuretic factor and thereby produces natriuresis, diuresis, and vasorelaxation. This profile of action offers theoretical advantages over standard diuretic therapy in the treatment of patients with heart failure. The aims of the study were to compare the effects of candoxatril with those of frusemide in the treatment of patients with mild heart failure.

lasix medicine 2016-09-05

In 10 CTUs there were three staghorn, two diverticular, 25 calyceal, two infundibular and two renal pelvic calculi; nine showed posterior calyces and good infundibular anatomy, and provided a good map of the PCS. Seven patients had PCNL, with the remaining three having either primary extracorporeal shock wave lithotripsy or conservative management. CTU detected stones in all patients and accurately located their relation to the PCS. With reconstructed images, subjectively the 3D imaging provided an advantage over conventional imaging in optimizing nephrostomy placement.

lasix buy 2017-01-14

Several findings suggest that catecholaminergic neurons in the caudal ventrolateral medulla (CVLM) contribute to body fluid homeostasis and cardiovascular regulation. From the CVLM other areas in central nervous system involved in cardiovascular regulation and hydroelectrolyte balance can be activated. Therefore, the aim of the present study was to investigate the effects of lesions of these neurons on 0.3M NaCl and water intake induced by subcutaneous injection of furosemide (FURO)+captopril (CAP) or 36 h of water deprivation/partial hydration with only water (WD/PR). Male Wistar rats (320-360 g) were submitted to medullary catecholaminergic neuron lesions by microinjection of anti-dopamine-beta-hydroxylase-saporin (anti-DbetaH-saporin; 6.3 ng in 60 nl) into the CVLM (SAP-rats). Sham rats received microinjections of free saporin (1.3 ng in 60 nl) in the same region. In SAP-rats, the 0.3M NaCl intake was increased after FURO+CAP (6.8+/-1.0 ml/2h, vs. sham: 3.7+/-0.7 ml/2h) as well as after WD/PR (11.1+/-1.3 ml/2h vs. sham: 6.1+/-1.8 ml/2h). Conversely, in SAP-rats, the water intake induced by FURO+CAP (14.8+/-1.3 ml/2h, vs. sham: 14.1+/-1.6 ml/2h) or by WD/PR (3.6+/-0.9 ml/2h, vs. sham: 3.2+/-1.1 ml/2h) was not different from sham rats. Immunohistochemical analysis indicates that microinjections of anti-DbetaH-saporin produced extensive destruction within the A1 cell groups in the CVLM. These results suggest an inhibitory role for medullary catecholaminergic neurons on sodium appetite.

lasix 100 mg 2015-10-15

Previous studies indicate a sex chromosome complement (SCC) effect on the angiotensin II-sexually dimorphic hypertensive and bradycardic baroreflex responses. We sought to evaluate whether SCC may differentially modulate sexually dimorphic-induced sodium appetite and specific brain activity due to physiological stimulation of the rennin angiotensin system. For this purpose, we used the "four core genotype" mouse model, in which the effect of gonadal sex and SCC is dissociated, allowing comparisons of sexually dimorphic traits between XX and XY females as well as in XX and XY males. Gonadectomized mice were sodium depleted by furosemide (50 mg/kg) and low-sodium diet treatment; control groups were administered with vehicle and maintained on normal sodium diet. Twenty-one hours later, the mice were divided into two groups: one group was submitted to the water-2% NaCl choice intake test, while the other group was perfused and their brains subjected to the Fos-immunoreactivity (FOS-ir) procedure. Sodium depletion, regardless of SCC (XX or XY), induced a significantly lower sodium and water intake in females than in males, confirming the existence in mice of sexual dimorphism in sodium appetite and the organizational involvement of gonadal steroids. Moreover, our results demonstrate a SCC effect on induced brain FOS-ir, showing increased brain activity in XX-SCC mice at the paraventricular nucleus, nucleus of the solitary tract, and lateral parabrachial nucleus, as well as an XX-SCC augmented effect on sodium depletion-induced brain activity at two circumventricular organs, the subfornical organ and area postrema, nuclei closely involved in fluid and blood pressure homeostasis.

lasix 160 mg 2017-11-29

To study the effect of gender on the renal disposition of two organic anions, p-aminohippuric acid (PAH) and furosemide (FSM) in the isolated perfused rat kidney (IPK).

3 mg lasix 2016-04-23

We studied each drug individually and mixed with bicarbonate with 27 samples, and 135 measurements were performed. The incompatibilities did not always produce visual changes. Knowing the pH of drugs does not guarantee the compatibility of the mixture. Nitroglycerin with pH 4 is compatible with bicarbonate. Thiopental with pH 11 makes precipitation. Higher absorbances showed color changes, cloudiness and precipitation.