http://www.medications.com/effect/view/41593 I have been treated with Doxycycline 100 MG twice for Lyme disease. Lyme presents with many of the same side effects as described here in this post so who knows which is causing what? Something like Abbot and Costello, who's on 1st. Anyway, the Lyme is frig Fri, 31 Jul 2009 22:20:06 -0400 http://www.medications.com/effect/view/41593?item=21960 it treated my lyme disease as of yesterday. i to didnt know which was causing what . i had the nausea and fatigue and no appitete from the lyme but while taken the doxy it got worse adding depression and now when im free of lyme and off doxy i still have n http://www.medications.com/effect/view/41593?item=21960