LASIX is indicated in adults and pediatric patients for the treatment of edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic syndrome. LASIX is particularly useful when an agent with greater diuretic potential is desired. Lasix is a diuretic medication containing furosemide prescribed to treat high blood pressure and fluid retention caused by heart failure, liver disease, kidney disease, and severe burns. Learn how Lasix works, dosing for adults and children, potential side effects, and important contraindications Lasix (furosemide) is a prescription diuretic (“water pill”) used to treat fluid retention (edema) caused by conditions such as heart failure, kidney disease, or liver problems. It is also used to manage high blood pressure. Lasix (furosemide) is used to treat the symptoms of fluid retention (edema) in individuals with congestive heart failure, liver disease or kidney disorder. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Lasix Tablet belongs to a group of medicines called diuretics or water tablets. It is used to reduce the swelling (edema) caused by too much water in the body in people who have heart failure, liver, or kidney disease. Find patient medical information for Furosemide (Lasix) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Furosemide (Lasix) is a potent diuretic (water pill) that is used to eliminate water and salt from the body. In the kidneys, salt (composed of sodium and chloride), water, and other small molecules normally are filtered out of the blood and into the tubules of the kidney. Furosemide is given to help treat fluid retention (edema) and swelling that is caused by congestive heart failure, liver disease, kidney disease, or other medical conditions. It works by acting on the kidneys to increase the flow of urine. Furosemide is also used alone or together with other medicines to treat high blood pressure (hypertension). LASIX is indicated in adults and pediatric patients for the treatment of edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including the nephrotic. Lasix is a loop diuretic (water pill) that prevents your body from absorbing too much salt, causing it to be passed in your urine. Lasix treats fluid retention (edema) in people with congestive heart failure, liver disease, or kidney disorders such as nephrotic syndrome.