Are allergic to propranolol, Inderal, or any inactive component used to make propranolol. Your healthcare provider or pharmacist has a list of inactive ingredients.
Have a slow heartbeat (bradycardia) with a certain type of irregular heart rhythm (specifically, second or third degree heart block).
Precautions and Warnings With Propranolol: A Summary
There are a number of situations in which propranolol should not be taken, as well as several precautions and warnings with propranolol that people should be aware of. However, it is possible that not all warnings and precautions were discussed in this article. Therefore, you should talk with your healthcare provider about any precautions and warnings that may apply to you.