2 doctors weighed in:
What's the difference between regular propranolol and propranolol er?
2 doctors weighed in

Dr. John Szawaluk
Internal Medicine - Cardiology
1 doctor agrees
In brief: Duration
Propranolol is a short acting preparation and is taken twice daily while the er for is extended release (long acting) and is taken once daily.

In brief: Duration
Propranolol is a short acting preparation and is taken twice daily while the er for is extended release (long acting) and is taken once daily.
Dr. John Szawaluk
Dr. John Szawaluk
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