Isoptin is a medication used to treat heart conditions such as hypertension, angina, and certain arrhythmias. It is also known by its generic name, verapamil. There are several synonyms for Isoptin that are often used interchangeably in medical terminology, including Veramex, Verapamilo, and Verapamill. Other brand names that contain the same active ingredient as Isoptin include Calan, Covera-HS, and Verelan. While these drugs may have slightly different formulations or release methods, they all work to achieve the same therapeutic effect in the treatment of cardiac conditions. As with any medication, it is important to consult with a healthcare professional before beginning a new course of treatment.