Mibefradil (Systemic)

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:

Less common

Dizziness, lightheadedness or fainting, recurring (sudden); slow heart rate; swelling of the legs; unusual tiredness

Rare

Chest pain

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

Abdominal pain; belching, heartburn, or stomach discomfort; flushing; headache; nausea or vomiting; pounding heartbeat; stomach pain; stuffy nose

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