http://www.medications.com/se/Doxycycline+Monohydrate Recent side effects for Doxycycline Monohydrate Sat, 08 Sep 2007 12:33:30 -0400 http://www.medications.com/effect/view/23468 I see that of only 2 postings as of this one from me, one mentions feeling "generalized weakness and fatigue." BINGO! Me too. And...like the posting I'm referring to, the patient is taking it for Lyme Disease. I know that, itself, can also cause weak http://www.medications.com/effect/view/23468 Fri, 22 Jun 2007 07:33:28 -0400 http://www.medications.com/effect/view/21933 I am being treated for lyme disease with 400mgs/day. I take 200mgs in the am and 200mgs in pm. The course of treatment is for 4wks. I am in my 2nd week. I feel just awful. My side effects are nausea, generalized weakness, fatigue, abdominal pain, head http://www.medications.com/effect/view/21933 Sat, 12 May 2007 14:08:15 -0400 http://www.medications.com/effect/view/21550 I have drank alcohol on doxycycline and have only had worse hangovers. I laid down once and my acid reflux acted up pretty bad. http://www.medications.com/effect/view/21550