All drugs interact differently for person to person. You should check all the possible interactions with your doctor before starting any medicine.
Interaction with Alcoholmoderate
Description - Consumption of alcohol while taking Diltiazem may cause an additional lowering of the blood pressure. This may result in severe complication over time.
Instructions - Consumption of alcohol should be avoided while taking this medicine, especially when you start taking the medicine or a change its dosage. Symptoms like headache, dizziness, change in pulse or heart rate should be reported to the doctor.
Interaction with Medicine
This is not an exhaustive list of possible drug interactions. You should consult your doctor about all the possible interactions of the drugs you’re taking.