Can furosemide interact with other medications or foods?

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Furosemide (Lasix), a diuretic often prescribed to treat edema (fluid retention) caused by heart failure or liver disease, as well as high blood pressure, can interact with many medicines, supplements and foods. Tell your doctor about all prescription and over-the-counter medications you're on, as well as about any supplements you take.

The kinds of medicines that interact with furosemide include many taken for high blood pressure and for diabetes. Aspirin, corticosteroids (such as prednisone), digoxin (Lanoxin), indomethacin (Indocin), lithium (Eskalith, Lithobid), probenecid (Benemid) and some vitamins may also interact with furosemide. If you're taking cholestryamine or colestipol for high cholesterol, take it an hour or more after taking furosemide. There are other drugs that may interact with furosemide; ask your doctor.

While you don't have to avoid any specific food when you are taking furosemide, your doctor may prescribe a low-sodium or low-salt diet. He also may recommend that you add plenty of potassium-rich foods and beverages to your diet, such as bananas, raisins and orange juice; he also may prescribe a potassium supplement.