1, actively treat focal diseases of upper respiratory tract, such as chronic sinusitis and chronic tonsillitis.
2. Drug therapy: Simple type is mainly used locally: antibiotic aqueous solution or mixed solution of antibiotics and steroid hormones, such as 0.25% chloramphenicol solution, chloramphenicol cortisone solution and ofloxacin ear drops.
3. Precautions for local medication: ① Wash the pus in the external auditory canal and middle ear cavity before medication, which can be cleaned with 3% hydrogen peroxide or boric acid water, and then wipe it off with a cotton swab or suck out the pus with an aspirator before dropping the medicine. (2) a large amount of pus with water, a small amount of boric acid alcohol.