Explore potential side effects of Lasix, from mild symptoms to serious risks. Learn how to recognize and respond safely. Lasix is a loop diuretic used to treat fluid retention from heart, liver, or kidney conditions, and to lower high blood pressure by increasing urine output. Comprehensive guide on dosing and side effects of loop diuretics, including intravenous treatment and infusion therapy for effective diuresis management. LASIX is available as white tablets for oral administration in dosage strengths of 20, 40 and 80 mg. Furosemide is a white to off-white odorless crystalline powder. It is practically insoluble in water, sparingly soluble in alcohol, freely soluble in dilute alkali solutions and insoluble in dilute acids. The CAS Registry Number is 54-31-9. 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. Find patient medical information for Furosemide (Lasix) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings LASIX - ®is a diuretic which is an anthranilic acid derivative. LASIX tablets for oral administration contain furosemide as the active ingredient and the following inactive ingredients: lactose. Furosemide, sold under the brand name Lasix among others, is a loop diuretic medication used to treat edema due to heart failure, liver scarring, or kidney disease. [6] Furosemide may also be used for the treatment of high blood pressure. [6] It can be taken intravenously or orally. [6] When given intravenously, furosemide typically takes effect within five minutes; when taken orally, it. Furosemide is a loop diuretic used to treat fluid retention and high blood pressure by increasing urine output, relieving swelling in heart, liver, or kidney disease. Description Furosemide belongs to a group of medicines called loop diuretics (also known as water pills). 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.