http://www.medications.com/effect/view/25043 I had encephalitis or meningitis (not sure) last September. Anyway, I got a PICC line and had doxycycline running through it for nearly two months. Two weeks ago I was in terrible pain and was in the hospital because I developed blood clots in my arm and th Thu, 10 Apr 2008 19:23:04 -0400 http://www.medications.com/effect/view/25043?item=6979 Typically IV Doxycycline should be administered though a central line at those levels. I'm sorry you had to go through that though. http://www.medications.com/effect/view/25043?item=6979