http://www.advancesinhealth.com/acne-products.html With antibiotics, the new medical wisdom is to reduce long-term use. Instead of leaving patients on the antibiotic for years, many physicians now believe it is wiser to approve a 3-month short-term duration of internal antibiotic treatment and to continue with topical antibiotics after that. This is to reduce the chances of breast cancer in the future and the impact of decreasing bone density with long-term use.