"i&#039;m 25 years old and still get those under the skin cystic pimples on my face. it is mild but one or two of those monsters just stand out. i&#039;ve tried retin-a, every single face wash i can think of, oil free moisturizers, toners, oil free make up. i mean i&#039;ve done it even the diy remedy for acne. well, the dermatologist put me on bactrim and i have been on it now for about 4 weeks and my face is clear. i mean i&#039;ve never seen it this clear! i&#039;m just looking at the mirror all the time because i cannot believe it. very happy with results. he said i would have to be on them for a while. but i&#039;m okay with it. it does cause a little nausea but it&#039;s nothing i can&#039;t handle and it doesn&#039;t last too long. overall very happy."