If a patient with rhinitis has significant symptoms, such as severe nasal congestion, even with wheezing and trouble sleeping, consider intramuscular dexamethasone injection. Dexamethasone injection is a hormonal drug, which can quickly fight inflammation, reduce swelling and alleviate the symptoms of rhinitis in patients. But not all patients can be applied, must be under the guidance of the doctor to clarify whether there is no absolute contraindication to the use of hormones before the specific application. Rhinitis patients usually must exercise more, enhance their own resistance, avoid triggering rhinitis. At the same time, appropriate to eat vitamin C tablets, rhinitis tablets, for patients with rhinitis has a very good effect. Patients must have a reasonable work and rest, do not stay up late, and avoid a lot of smoking and drinking. If the patient’s rhinitis does not improve after repeated treatments, it is necessary to go to the hospital for further consultation.