Pimples are generally referred to as acne, and a common macrolide antibiotic ointment for acne is erythromycin ointment, but you need to use the medication topically under a doctor’s supervision. Erythromycin ointment belongs to the macrolide antibiotic ointment, commonly used in the treatment of common acne, small burns, ulcers area infections, as well as impetigo and other purulent skin diseases. Some patients may experience adverse reactions such as allergic reactions and irritation after topical application of this product. It should be noted that contact with eyes and other mucous membranes should be avoided. It should be contraindicated in case of allergy or resistance to the product, or if the product has changed its properties. For patients who need to treat acne, they need to use erythromycin ointment topically under the guidance of a doctor.