pimples come when your skin becomes more oily. Your doctor might have given medicines to reduce the oil. So your skin is becoming dry which is not a bad thing. And when you are using medicines for pimples you should not expose to sun light or else your skin will get tanned brown. Right now continue with the pimples medicine. Apply SUNGRACE sun screen on your face 20 min before you go out. Once the pimples come down then you can apply depiwhite cream every day night to the marks.