Diltiazem CD is a medication used to treat high blood pressure, angina, and heart rhythm disorders. As with all medications, there are potential side effects associated with its use.

The most common side effects of diltiazem CD include headache, fatigue, and constipation. Less common side effects include dizziness, chest pain, and shortness of breath.

In rare cases, diltiazem CD can cause a potentially life-threatening condition called lupus erythematosus. Symptoms of lupus erythematosus include fever, joint pain, and a rash on the cheeks and nose.

If you experience any of the side effects listed above, be sure to consult your doctor.…