Ibuprofen fever does not go down need to choose drugs and other methods of treatment for the cause of fever, the cause may be tuberculosis, influenza, etc.. 1. Tuberculosis: Tuberculosis is caused by Mycobacterium tuberculosis infection, which can cause inflammatory lesions in the lung tissues, causing fever, which can lead to ibuprofen fever not to go down in severe cases, and you need to follow the doctor’s instructions to take anti-tuberculosis medications, such as isoniazid tablets and rifampicin tablets, which can kill Mycobacterium tuberculosis, and help the temperature to return to the body. 2. Influenza: Influenza is caused by influenza virus infection, the disease will make the patient appear high fever, if the inflammation in the body does not subside, there will be ibuprofen fever can not go down, you can follow the doctor’s instructions to take antiviral drugs, such as oseltamivir phosphate capsule, ribavirin capsules, etc., can also help the body temperature down. Ibuprofen fever does not go down may also be caused by sepsis, rheumatoid arthritis, etc., need to go to the hospital in time to determine the cause of targeted treatment.