Calan

Check with your doctor before you stop taking this drug; a slow reduction in the dose may be required.

--If you miss a dose...

Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take 2 doses at the same time.

--Storage instructions...

Store at room temperature away from heat, light, and moisture.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking verapamil.

• More common side effects may include:
  Congestive heart failure, constipation, dizziness, fatigue, fluid retention, headache, low blood pressure, nausea, rash, shortness of breath, slow heartbeat, upper respiratory infection

Why should Calan not be prescribed?

If you have low blood pressure or certain types of heart disease or heartbeat irregularities, you should not take verapamil. Make sure the doctor is aware of any cardiac problems you may have.

If you are sensitive to or have ever had an allergic reaction to Calan or any other brands of verapamil, or other calcium channel blockers, do not take this medication.

Special warnings about Calan

Verapamil can reduce or eliminate angina pain caused by exertion or exercise. Be sure to discuss with your doctor how much exertion is safe for you.

Verapamil may cause your blood pressure to become too low. If you experience dizziness or light-headedness, notify your doctor.

Congestive heart failure and fluid in the lungs have occurred in people taking verapamil together with other heart drugs known as beta blockers. Make sure your doctor is aware of all medications you are taking.

If you have a heart condition, liver disease, kidney disease, myasthenia gravis, or Duchenne's dystrophy (the most common type of muscular dystrophy), make certain your doctor knows about it. Verapamil should be used with caution.

If you are taking Covera-HS and you have a narrowing in your stomach or intestines, be sure your doctor was aware of it when the drug was prescribed.