Rauwolfia Alkaloids (Systemic)

Side Effects of This Medicine

Suggestions that rauwolfia alkaloids may increase the risk of breast cancer occurring later have not been proven. However, rats and mice given 100 to 300 times the human dose had an increased number of tumors.

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

Drowsiness or faintness; impotence or decreased sexual interest; lack of energy or weakness; mental depression or inability to concentrate; nervousness or anxiety; vivid dreams or nightmares or early-morning sleeplessness

Check with your doctor as soon as possible if any of the following side effects occur:

More common

Dizziness

Less common

Black, tarry stools; bloody vomit; chest pain; headache; irregular heartbeat; shortness of breath; slow heartbeat; stomach cramps or pain

Rare

Painful or difficult urination; skin rash or itching; stiffness; trembling and shaking of hands and fingers; unusual bleeding or bruising

Signs and symptoms of overdose

Dizziness or drowsiness (severe); flushing of skin; pinpoint pupils of eyes; slow pulse

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:

More common

Diarrhea; dryness of mouth; loss of appetite; nausea and vomiting; stuffy nose

Less common

Swelling of feet and lower legs

After you stop using this medicine, it may still produce some side effects that need attention. During this period of time check with your doctor immediately if you notice any of the following side effects:

Drowsiness or faintness; impotence or decreased sexual interest; irregular or slow heartbeat; lack of energy or weakness; mental depression or inability to concentrate; nervousness or anxiety; vivid dreams or nightmares or early-morning sleeplessness

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