Test Overview. Your pulse is the rate at which your heart beats. Your pulse is usually called your heart rate, which is the number of times your heart beats each minute (bpm). But the rhythm and strength of the heartbeat can also be noted, as well as whether the blood vessel feels hard or soft.
A: Some of the more common side effects of verapamil are constipation, dizziness, nausea, headache, hypotension, edema, skin rash/itching and fatigue.
Verapamil (Calan, Covera HS, Verelan). Your doctor may call this drug a calcium channel blocker. It's also used to treat high blood pressure and chest pain. Verapamil cuts down on how many headaches you get. It can take a while to start working. So in the meantime, you may also need to take other preventive medicines that work faster, such as steroids.