Find patient medical information for Furosemide (Lasix) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings 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. Need furosemide without Rx? Learn legal OTC availability, safe dosage, trusted pharmacies, prices, side effects, and doctor-approved alternatives fast. Lasix (furosemide) is a powerful and widely prescribed diuretic, often used to manage fluid retention and certain blood pressure conditions. While it’s highly effective, it also comes with a set of side effects you should be aware of — especially if you're using it long-term or at higher doses. 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. [4] Furosemide may also be used for the treatment of high blood pressure. [4] It can be taken intravenously or orally. [4] When given intravenously, furosemide typically takes effect within five minutes; when taken orally, it. 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. 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 (generic name: furosemide) is a widely used loop diuretic prescribed to reduce fluid buildup caused by conditions like heart failure, liver disease, kidney disorders, or high blood pressure. But when it comes to this potent medication, one of the most important questions is: What’s the right Lasix dose? 💊 What Is Lasix Used For? Learn about the side effects of Lasix (furosemide), from common to rare, for consumers and healthcare professionals. 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.