DRUG INTERACTIONS: See also the How to Use section. This drug should not be used with the following medications because very serious interactions may occur: cisapride, ethacrynic acid. If you are currently using any of these medications, tell your doctor or pharmacist before starting furosemide. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: other drugs that can affect hearing/balance (e.g., aminoglycoside antibiotics such as gentamicin, tobramycin), amphotericin B, cholestyramine, cisplatin, colestipol, corticosteroids (e.g., prednisone), digoxin, lithium, nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen, indomethacin), large doses of aspirin and aspirin-like drugs (salicylates), sucralfate. Check the labels on all your medicines (e.g., cough-and-cold products, diet aids, NSAIDs for pain/fever reduction) because they may contain ingredients that could increase your blood pressure or swelling (edema). Ask your pharmacist about the safe use of those products. Do not start or stop any medicine without doctor or pharmacist approval.

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