A member asked:

Can propranolol affect the effectiveness of dextroamphetamine medications?

A doctor has provided 1 answer
Dr. Lori Lange answered

Specializes in Family Medicine

Yes: A drug interaction exists between these two medications. Propranolol is a non-specific Beta blocker. By this, it blocks the ability of the heart to respond to higher heart rates, irregular heart rate, decreases blood pressure and more. Dextroamphetamines normally increases heart rate. So Yes there is an interaction. Depends if it is clinically significant. This depends on knowing more about you.

Answered 6/10/2018

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