Erythromycin ophthalmic ointment can be used by patients with blepharitis, also known as blepharitis, in which the eyelid abscess breaks down under the supervision of a medical professional. Erythromycin ophthalmic ointment belongs to the anti-infective eye medication, which is clinically used to treat trachoma, blepharitis, conjunctivitis, and other external eye infections. Patients with blepharitis can use erythromycin ophthalmic ointment under doctor’s supervision to control inflammation and promote recovery. Erythromycin ophthalmic ointment is contraindicated in people who are allergic to the composition of the ophthalmic ointment, and allergy sufferers need to be cautious in using Erythromycin ophthalmic ointment. Erythromycin ophthalmic ointment should be avoided in contact with other mucous membranes such as the mouth and nose, and should be used by pregnant and breastfeeding women according to medical advice. Patients with blepharitis are advised to consult a doctor to evaluate their condition and follow the doctor’s instructions.