There are many advertisements on medications for acne.  And the side effects and risks are as numerous as the many different meds. 

I have seen success with treating acne by recognizing food allergies.  The most common food allergies are clearly the dairy products.  Most regard allergy to dairy as causing bloating, and bowel irregularities.  But there are other reactions that are just as common.  And one of those is acne.  Often a digestive enzyme with dairy food can reduce the reaction, but avoidance or minimizing is usually most successful.  It can't hurt to try and the results speak for themselves