"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&#039;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&#039;m trying to stick out the pain "