http://www.medications.com/effect/view/26873 I was prescribed Doxycycline 100mg tablets twice a day, for 3 to 4 months, for a skin condition (perioral dermatitis) which causes small sores to form around my mouth. After my experience with this antibiotic, I'd rather have the sores! I took the Dox Tue, 16 Sep 2008 14:42:24 -0400 http://www.medications.com/effect/view/26873?item=12403 As an update to this post - My perioral dermatitis persisted, and got so bad that I went back to my dermatologist on September 5, 2008 and had him prescribe something OTHER than Doxycycline. He prescribed Minocycline, which he said was tolerated much bett http://www.medications.com/effect/view/26873?item=12403