Verapamil - Familydoctor.org
Advice for patients on the use, mode of action, side effects, drug interactions, and other aspects of this medication sold as Calan, Covera-HS, Isoptin, and Verelan. In English and Spanish. Verapamil
Full prescribing information from RxList for this medication for cardiac conditions, sold under brand names including Calan, Verelan, and Covera-HS.