List of products in the National Drug Code with proprietary name . Torsemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease. This can lessen symptoms such as shortness of breath and swelling in your arms, legs, and abdomen. This drug is also used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Torsemide is a "water pill" (diuretic) that causes you to make more urine. This helps your body get rid of extra water and salt.