Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding.
Use of this medicine is not recommended if you have a history of heart block, low blood pressure, severe heart failure, or certain abnormal heart rhythms (wolff-parkinson-white, lown-ganong-levine, or sick sinus syndromes).
Do not take this medicine if you have had an allergic reaction to it or are allergic to any ingredient in this product. Do not stop using this medicine without first checking with your doctor.
This medicine may cause dizziness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to this medicine. Avoid drinking alcohol while taking Diltiazem. Grapefruit and grapefruit juice may interact with Diltiazem and lead to potentially dangerous effects.
If you plan on becoming pregnant, discuss with your doctor the benefits and risks of using this medicine during pregnancy. If you are or will be breast-feeding while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.