DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medication you may use, especially of: digoxin and other heart (antiarrhythmic), blood pressure drugs such as beta- blockers (e.g., propranolol, timolol ), other calcium channel blockers (e.g., nifedipine, verapamil), intravenous (IV) calcium, nitrates (e.g., sublingual nitroglycerin), disopyramide, flecainide, quinidine, cimetidine, cyclosporine, carbamazepine, theophylline, lithium, benzodiazepines (e.g., midazolam, triazolam), buspirone, lovastatin, rifampin, St John's wort. Do not start or stop any medicine without doctor or pharmacist approval.
Quick GuideHeart Disease: Symptoms, Signs, and Causes
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.