PRECAUTIONS: Before taking furosemide, tell your doctor or pharmacist if you are allergic to it; or to sulfa medications; or if you have any other allergies. This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: the inability to make urine (anuria). Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, untreated mineral imbalance (e.g., sodium, potassium), gout, lupus. If you have diabetes, furosemide may worsen control of blood glucose levels. Monitor your blood glucose levels regularly and inform your doctor of the results. This drug may reduce the potassium levels in your blood. Ask your doctor about adding potassium to your diet. A potassium supplement may be prescribed by your doctor. This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, use a sunscreen, and wear protective clothing when outdoors. This drug may make you dizzy, drowsy, or cause blurred vision; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. Caution is advised when using this drug in the elderly because they may be more sensitive to its effects, especially dizziness. Furosemide should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This drug passes into breast milk. Consult your doctor before breast-feeding.

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