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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March 30th
2007
9:53 AM
please help, I have been taking doxycycline 100 mg twice a day for 7 days (strep throat). Today is the 4th day and I don't feel any better. I have stinging in my thumbs and index fingers it hurts very bad. can anybody help?
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