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Beta blockers as a cause for gyno

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Offline Cisco

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Beta blockers as a cause for gyno
« on: January 12, 2011, 02:28:32 PM »
There was an earlier posting stating that beta blockers prescribed for high blood pressure may cause gynecomastia.  Does this apply to all beta blockers?  I developed gyno as a teenager. And now 45+ years later take Metoprolol.  Could this account for the slow increase in breast size I've noticed in the last few years?

Linkback: https://www.gynecomastia.org/smf/index.php?topic=22259.0

Re: Beta blockers as a cause for gyno
« Reply #1 on: January 12, 2011, 06:59:37 PM »
All medicines have a variety of side effects listed in their literature.  However, after reviewing the side effect information for metoprolol, I do not see gynecomastia listed anywhere.  So it does not appear likely that it could be the cause of your gyne. 



Offline Paa_Paw

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Re: Beta blockers as a cause for gyno
« Reply #2 on: February 11, 2011, 12:44:01 AM »
I specifically avoided using Beta Blockers for a long time because they had a reputation for causing Gynecomastia which I already had.

A few years ago I had a medical crisis which left me no real choice in the matter and I have taken Metoprolol since then with no apparent change in the gynecomastia.

I'll confess that I've become a bit lazy and I have not researched the beta blockers individually to see which ones might be a problem but at least my experience with Metoprolol has not been a problem.
Grandpa Dan

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