Use of erythromycin ointment: erythromycin ointment, as an antibiotic ointment, is firstly used for the treatment and prevention of skin infections, purulent skin diseases such as impetigo and infections of ulcerated surfaces can be used with erythromycin ointment, and it can also be used for infections at the sites of the skin-mucosal junction, such as perioral and perianal areas. Erythromycin ointment has some other uses. 1, minor trauma: such as minor body contusions, scratches or other traumas can be used erythromycin ointment, the general use of the affected area will be cleaned and disinfected, after which the appropriate amount of ointment coated on the affected area, 2 times a day.　2, mild burns: small area of burns, scalds can first use cold water to rinse the wound, and then on the surface of a thin layer of erythromycin ointment.　3, mosquito bites: mosquito bites are more serious, should be timely cleaning and disinfection of the local bite, take the appropriate amount of this ointment coated, 2 times a day, for 5-7 days.　4, nosebleed: dry weather will make some people originally dry nasal mucosa more fragile, so the phenomenon of nosebleed occurs from time to time. At this time, it may be appropriate to use erythromycin ointment coated nasal septum area, 4-5 times a day, can disinfect, soften the nasal cavity, moisturize the nasal mucosa, improve the internal environment of the nasal cavity, to prevent bleeding again. Do not apply too much, in order to prevent the ointment backflow into the mouth.　5, keratitis: keratitis is mostly caused by infections, and is common in preschool children. Bacterial keratitis can apply a small amount of erythromycin ointment and take vitamin B2 at the same time. It should be noted that, although erythromycin ointment is widely used, it does not work on skin diseases caused by fungal infections, such as tinea capitis, tinea cruris, tinea cruris, tinea cruris, and tinea versicolor. Erythromycin ointment can occasionally cause adverse reactions such as local burning sensation, dryness, itching, erythema, and occasionally hives-like reactions. If any of these adverse reactions occur, discontinue use immediately</SPAN></p>