47 Heart failure occurred in 7% and arrhythmias in up to 43%, which accounted for the majority of these complications
Significant cold sweat
Although unlikely, sharp pain in the left side of the chest can be a sign of a heart attack
See more Propranolol is also used to treat severe chest pain (angina), migraine headaches, or hypertrophic subaortic stenosis (thickened heart muscle)
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It should not be used to treat chest pain or migraines when they occur
In addition, doctors may prescribe For chest pain (angina): For oral dosage form (long-acting oral capsules): Adults—At first, 80 milligrams (mg) once a day
Propranolol may cause heart failure in some patients