I had been taking an old beta-blocker (Timolol 10mgs daily) for the last two years for anxiety. Libido began to wane some. My Testosterone level was a little low (265) about a year ago. I doubled my Timolol to 20 mgs last year and then had severe loss of libido and ability to have an erection. I had a urologist test my testosterone and now it had dropped to 135. I immediately began tapering off the Timolol for fear it had caused the problem and he started me on 5mgs of Androgel. Boy did I feel better and my libido returned to normal. After 6 weeks my testosterone was at 395 and the sex binding reading was normal again. I have been on Androgel for 70 days and wonder if this might cause testicular atrophy or if I would have returned to normal without the Androgel if the Timolol was the cause of the low testosterone. Should I try going off the Androgel for a few weeks and retest. If the beta-blocker was the root cause of the low testosterone should it return to normal now that I am off of it completely? If my libido crashes again can I just restart the Androgel to return to normal. I sure like how I feel now but don't want to be suppressing my natural testosterone production if it could return to normal. Any thoughts from an MD would be appreciated.
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