Minocycline
"I'm 18 I've had acne for 7 years now.  I started taking minocycline in 2011 and it gave me horrible nausea. I discovered that if you go on a gluten free diet the stomach problems go away as well as the acne! I stopped taking It after about 6 months and my skin stayed clear up until a few months ago.. I'm starting it again now to see how things work. It's a miracle pill though I swear it made my skin literally perfect"