I have taken every acne medication ever created, the only one that caused any side effects of any sort was Accutane. I had some hair loss (just a little bit more than I would normally loose everyday) and bright red skin if I went into the sun.
I had no side effects with Minocyn though medications have different effects on different people.
All I can say is try it and see, though you do have to give it a few months and your skin may get worse before it gets better. Good luck!
Fat does not make you fat. It's actually pretty important.