acne
"I was recently hospitalized due to cysts on my ovaries that caused me severe pain.  There was a bacterial infection going on as well  so I was prescribed doxycycline-hyclate 100mg.  Even though it was for my ovarian cysts I noticed after taking doxy for 3 days straight (2 capsules a day) my acne had cleared up! I haven't seen my face this clear since 2008. The downside was that it caused diarrhea and bad abdominal cramps. I miss my face being this clear so I'm trying to stick out the pain "