Acne Free Info - Version 1.1 Traditional treatments listed in the table below include benzoyl peroxide, Salicylic acid, Sulfur, Azelaic Acid, oral antibiotics (Clindamycin, Tetracycline, Meclocycline, Erythromycin, and isotretinoin or retinoic-acid products (Adapalene, Tretinoin).Benzoyl peroxide (bleaches hair & clothing), Salicylic acid, Sulfur, and Azelaic Acid are all harsh on the skin and can cause irritation. Poor results and side effects cause many acne sufferers to abort these dated approaches. Oral antibiotics are a worry because of bacterial resistance, discolored teeth or skin, digestive upset, sun sensitivity, and interference with other medications. Isotretinoin compounds can cause serioushealth problems, ranging from sun sensitivity, skin disorders, serious birth defects, and nausea to vision irregularities, depression, and even suicide.