Allergic rhinitis usually does not cause fever. If the acute infection of the nasal mucosa patients are prone to fever, it is recommended that first of all, physical cooling methods can be used, you can drink more water and use a towel on the forehead. If the body temperature is particularly high more than 38 ℃, it is recommended that patients take oral ibuprofen capsules to reduce fever treatment to observe changes in the patient’s condition, if the condition does not improve in 2-3 days, you can consider going to the hospital for further examination and then further treatment to avoid delaying the patient’s condition.