Propanolol for cats can be given orally or by injection. Propranolol for dogs can be given to dogs that have certain types of heart conditions.
Since propranolol is a beta blocker, it can be used to treat abnormal heart rhythms. It's used to treat arrhythmias in human beings as well as in dogs and cats.
Propranolol can also be used to treat certain types of hypertension. For example, if the hypertension is caused by thyrotoxicosis, propranolol can help. When it's used as an antihypertensive, it's utilized in the short-term.