Winstrol Side Effects: i felt anxiety, found it hard to concentrate and was tired. just http://www.medications.com/effect/view/12775 i felt anxiety, found it hard to concentrate and was tired. just from a 5mg tablet!!! I gave it a week and tried again. Same thing. Anyone else have the same problem? Yes, just started taking Winstrol V about two weeks ago and have Mon, 06 Apr 2009 15:09:27 -0400 http://www.medications.com/effect/view/12775?item=18666 Yes, just started taking Winstrol V about two weeks ago and have already stopped due to sleepless nights and irritability. http://www.medications.com/effect/view/12775?item=18666