Betacap Propranolol Hydrochloride Diltiazem Hydrochloride
MajorAdditive bradycardia, AV block and hypotension; propranolol levels may also rise.
These medicines can affect each other in a serious way. Do not start taking them together unless your doctor has said it is OK. If you already take both, do not stop either one on your own: speak to your doctor or pharmacist soon.
What to do: Avoid or monitor ECG and heart rate closely.