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Thursday, July 01, 2010 sandy, Community Member, asks

Q: comparison of atenolol and lisinopril

Can aperson taking atenolol substitute lisinopril if he has run out of atenolol?

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Answers (1)
7/ 2/10 1:06pm

Hi Sandy,


Atenolol is a beta blocker and lisinopril is an ACE (angiotensin converting enzyme) inhibitor.  ACE is involved in a series of conversions that lead to vasoconstriction (narrow blood vessels). ACE inhibits, such as lisinopril, inhibit this conversion process to reduce vasoconstriction. Beta blockers take action within the sympathetic nervous system in conjunction with epinephrine and other hormones involved in the "fight or flight" response to promote blood vessel dilation. Your pharmacist or physician would be good resources to clarify the differences and help you determine the best to treat your situation.


All the best,

Lisa Nelson RD

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By sandy, Community Member— Last Modified: 12/26/10, First Published: 07/01/10