Calan is commonly prescribed to treat several cardiovascular conditions, such as chest pain, high blood pressure, and certain irregular heart rhythms. The medication comes in tablet form and is typically taken three or four times a day. Calan causes the blood vessels to relax, which improves blood flow and makes it easier for the heart to pump blood. Possible side effects include dizziness, nausea, and headaches.
What Is Calan?Calan® (verapamil hydrochloride) is a prescription medication used to treat various conditions of the heart and blood vessels.
- Certain irregular heart rhythms (arrhythmias), including:
- Chronic atrial flutter
- Atrial fibrillation
- Paroxysmal supraventricular tachycardia (PSVT).