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 risk of tumors.
Along with its needing effects, a drug 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 family 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 family doctor as soon as possible if any of the following side effects was happen
Less common
Black, tarry stools; bloody vomit; chest pain; headache; irregular or slow heartbeat; joint pain; shortness of breath
Rare
Painful or difficult urination; skin rash or itching; sore throat and fever; stiffness; stomach pain - severe with nausea and vomiting; trembling and shaking of hands and fingers; unusual bleeding or bruising; yellow eyes or skin
Symptoms of too much potassium loss or overdose
Dry mouth; increased thirst; muscle cramps or pain; nausea or vomiting
Other signs and symptoms of overdose
Dizziness or drowsiness, severe; flushing of skin; pinpoint pupils of eyes; slow pulse
More common side effects may occur that usually do not need medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Diarrhea; dizziness, especially when getting up from a lying or sitting position; loss of appetite; stuffy nose
After you stop using this drug, it may still produce some side effects that need attention. During this period of time check with your family 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
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.