Oral ulcers clinically mostly refer to recurrent Aphthous ulcers, and the drugs mainly include hormones, such as dexamethasone ointment; analgesics, such as lidocaine gel; and growth factors, such as epidermal growth factor gel. Recurrent aphthous ulcers are mostly treated with topical medications, the main purpose of which is to promote healing and reduce pain. There are many types of topical medications, including hormones, such as dexamethasone ointment; analgesics, such as lidocaine gel; and growth factors, such as epidermal growth factor gel. Topical medications have fewer adverse reactions, but they need to be used under medical supervision. If you have mouth ulcers, it is recommended that you visit a hospital in time to give targeted treatment or therapy under the guidance of a doctor.