Tretinoin Acetate Injection, which can be used for the treatment of allergic rhinitis, is not usually used for the treatment of other types of rhinitis. Tretinoin Acetate Injection is a glucocorticoid drug with a variety of pharmacological effects such as anti-inflammatory, anti-allergic and immune suppression. It is mainly used in the clinical treatment of various skin diseases, allergic rhinitis, arthralgia, bronchial asthma, frozen shoulder, synovitis, rheumatoid arthritis, acute sprains and other diseases. 1. Anti-inflammatory effect: glucocorticoids can reduce and prevent the inflammatory response of tissues, thus reducing the manifestation of inflammation. 2. Immunosuppressive effect: prevent or inhibit cell-mediated immune response, delayed allergic reaction, and reduce the expansion of the primary immune response. 3. Anti-toxicity, anti-shock effect: glucocorticoids can counteract the stimulation of bacterial endotoxins on the body, reduce cellular damage, and play a role in protecting the body. If symptoms related to rhinitis occur, you should go to the hospital in time for examination, to clarify the type of rhinitis, combined with the cause of the disease and the characteristics of the symptoms, and follow the doctor’s instructions to standardize the use of drugs and treatment.