What is Spironolactone used for?
This medicine is a potassium-sparing diuretic used to treat congestive heart failure or high blood pressure. It may also be used to treat other conditions as determined by your doctor.

General Precautions with Spironolactone:
DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. DO NOT USE A SALT SUBSTITUTE or potassium supplement without checking with your doctor. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: THIS MEDICINE IS EXCRETED IN BREAST MILK. DO NOT BREAST-FEED while taking this medicine.

What are some possible side effects of Spironolactone?
(This list is not a complete list of side effects reported with Spironolactone. Your health care provider can discuss with you a more complete list of side effects.)

abdominal cramping
nausea
diarrhea
headache
change in sexual ability
dry mouth
excessive thirst
unusual tiredness
unusual muscle weakness
skin rash
deepening of voice
irregular or no menstrual periods
slowed heart rate
enlarged breasts in men
breast tenderness in women

For more detailed information about Spironolactone, ask your health care provider.