Acne, is the common name for acne. Acne can indeed be treated by applying erythromycin ointment, to be applied topically, but the vast majority of acne patients, do not need to apply this antibiotic-based ointment for treatment, and most acne is not particularly severe. The cause of acne in many patients may be closely related to poor lifestyle habits, so in the treatment of acne, it is recommended to regulate your lifestyle habits. For less severe acne, one of these two medications can be applied topically to control the acne. For less severe acne, topical application of one of these two medications is sufficient to control the acne. If the acne is obviously co-infected, antibiotics such as erythromycin ointment or Bactrim ointment are required.