Doxycycline
"I'm using  doxy, epiduo and differine for 3 months and it has really worked like my skin became brighter and acne has gone except some pimples I  randomly get. After the 3 months I stopped and I didn't visit my derm again. I wouldn't say that my face has back to the first situation but I started to get some red pimples . Now I m taking doxy again and m satisfied ! I highly recommend for everyone who suffers from acne"