"in my teens, i had pretty bad acne. my doctor said it would clear up by 20. i&#039;m now older and still am dealing with it. what has worked for me for the past ten years (with about two flareups a year) is: doxycycline 100mg twice a day (my plan is $5 for three months supply), clearasil (10% benzoyl peroxide) tinted in the morning, and metrogel (1% metronidazole gel) &amp; adult acnomel (resorcinol) tinted in the evening. "