Guanethidine (Systemic)

Brand Names : Ismelin, Apo-Guanethidine

Side Effects of This Medicine

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 as soon as possible if any of the following side effects occur:

More common

Swelling of feet or lower legs

Less common or rare

Chest pain; shortness of breath

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 or increase in bowel movements; dizziness, lightheadedness, or fainting, especially when getting up from a lying or sitting position; sexual problems in males; slow heartbeat; stuffy nose; unusual tiredness or weakness

Less common or rare

Blurred vision; drooping eyelids; dryness of mouth; headache; loss of hair on scalp; muscle pain or tremors; nausea or vomiting; nighttime urination; skin rash

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