Possible side effects of Aldactone

Consumer Information (PDR)

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Aldactone.

• More common side effects may include:
  Abdominal cramps, breast development in males, change in potassium levels (leading to such symptoms as dry mouth, excessive thirst, weak or irregular heartbeat, and muscle pain or cramps), deepening of voice, diarrhea, drowsiness, excessive hairiness, fever, headache, hives, irregular menstruation, kidney problems, lack of coordination, lethargy, liver problems, mental confusion, postmenopausal bleeding, severe allergic reaction, sexual dysfunction, skin eruptions, stomach bleeding, stomach inflammation, ulcers, vomiting

Consumer Information (MedFacts)

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Abdominal cramping; change in sexual ability; clumsiness; confusion; diarrhea; dizziness; drowsiness; headache; frequent urination; nausea; vomiting.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); breast tenderness; deepening of voice; dry mouth; enlarged breasts in men; excessive thirst; irregular or lack of menstrual periods; skin rash; slow, irregular, or fast heartbeat; ulcers; unusual muscle weakness; unusual tiredness.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

Advanced Consumer Information (Micromedex)

• numbness or tingly feeling;

• muscle pain or weakness;

• slow, fast, or uneven heartbeat;

• feeling drowsy, restless, or light-headed;

• urinating less than usual or not at all;

• shallow breathing;

• tremors, confusion; or

• nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Continue using spironolactone and talk with your doctor if you have any of these less serious side effects:

• mild nausea or vomiting;

• dizziness, headache;

• gas, stomach pain; or

• skin rash.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

Consumer Information (Cerner Multum)

In rats, spironolactone has been found to increase the risk of tumors. It is not known if spironolactone increases the chance of tumors in humans.

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

For male patients :

• Spironolactone sometimes causes enlarged breasts in males, especially when they take large doses of it for a long time. Breasts usually decrease in size gradually over several months after this medicine is stopped. If you have any questions about this, check with your doctor.

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.