This registry is a place to share positive or negative side effects of using Doxycycline Hyclate. If you directly experienced a side effect while using Doxycycline Hyclate, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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September 19th
2008
8:11 PM
I have been on doxy for 2 weeks for acne. I am 44 and get cysts under my skin. Not noticeable to anyone but me really. Finally yesterday I realized that every morning I wake up extremely fatigued and a 1/2 lb heavier. I am somewhat of an athlete and watch my diet and found this very strange. I have dark circles under my eyes and this incredible bloated look and feeling unlike anything I have every experienced, It has to be the doxy because that is the only new thing I have introduced in to my system. Ugh. I have to stop taking it. I'll deal with the zits.
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