Furosemide: learn about side effects, dosage, special precautions, and more on MedlinePlus. Why is this medication prescribed? Expand Section. Let your doctor know what medications (prescription and over-the-counter), supplements, and herbal remedies you use. Also, tell her about. Lasix is a loop diuretic (water pill) that prevents your body from absorbing This medication is also used to treat high blood pressure (hypertension). prescription drugs, over-the-counter medicines and natural products. This medicine is only available with a doctor's prescription. Common side effects Common side effects of furosemide happen in more than 1 in people. All medicines have some unwanted side medicaation. How to take it Tablets or oral solution: Take Lasix tablets with a glass of water. However, increasing the amount of potassium in your diet may not be necessary and could be harmful. I was quite shocked If you do not drink enough water while taking Lasix, you may feel faint or light-headed or sick. Tell your doctor if you are breast-feeding or planning to breast-feed. It may lower your blood pressure and make you feel dizzy. Stopping it may cause your blood pressure to rise - and this may increase your risk of heart attack and th. If you become click here while you are taking this medicine, tell your doctor or pharmacist immediately. Skip to Content. Are there any interactions? Non-urgent advice: Tell your doctor if you're:. Lasix is used to treat swelling of the ankles, feet, legs or even the brain or lungs. High doses of furosemide may cause irreversible hearing click here. Weekly news roundup. Drug coverage. Take Lasix exactly as prescribed by your doctor. If you are taking Lasix to treat high blood pressure, make sure you have your blood pressure checked when your doctor says to make sure Lasix is working properly. Store at countfr temperature away from moisture, heat, and light. Small amounts of furosemide may get into breast milk. This information is not intended as a substitute for medical advice and should not be exclusively relied on to manage or diagnose a medical condition. What should I do if I forget a dose? About About Drugs. It's a good idea to cut down on salthowever, it's important not to go on a low-salt diet while taking this medicine, as that could make your sodium levels too low. Torasemide can also be used to treat high blood pressure. Lasix is used to treat swelling of the ankles, feet, legs or even the brain or lungs. Drug Class. Mixing furosemide with here remedies and supplements There's very little information about taking herbal remedies and supplements with vounter. Food can interfere with their absorption.