This registry is a place to share positive or negative side effects of using Doxycycline Monohydrate. If you directly experienced a side effect while using Doxycycline Monohydrate, 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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June 30th
2008
5:57 PM
I feel like I am SO tired on doxycycline. I'm on it for Lyme disease, had Rx for 3 weeks, was off it a week and started to have the joint pain relapse, so now I'm on it for four.
-- By xeu | Reply | Private Message meIt seemed that I was finding myself with very shallow breathing too. It seems if I forget to take a dose or two, I'm not as tired.
I'm less focused and more forgetful, it's hard to get things done.