One side of the ear after the child’s fever may be the inflammation of the ear, upper respiratory tract infection and other causes, can promptly reduce the heat treatment, at the same time according to the specific cause of the corresponding treatment. 1. Inflammation of the ear: the child’s earache on one side of the fever, may be inflammation of the ear, such as otitis media, otitis externa, etc., mostly caused by bacterial infections, can take amoxicillin, azithromycin and other antibiotics anti-infection treatment. At the same time, you can use levofloxacin hydrochloride ear drops to treat the ear. 3. Upper respiratory tract infection: upper respiratory tract infection sore throat will involve the same side of the ear pain, there may be a child’s fever on one side of the ear pain symptoms. Viral infections caused by the disease has a self-limiting, generally do not need special antiviral drugs, such as suspected bacterial infections caused by upper respiratory tract infection can be oral amoxicillin, cefixime and other anti-infective treatment. In addition to the above causal treatment, the child fever also need to actively give heat treatment, such as temperature does not exceed 38.5 degrees, can be physical cooling, such as more than 38.5 degrees, need to comply with the doctor’s instructions to use ibuprofen and other drugs to reduce fever. If the child’s symptoms do not improve through the above methods, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.