There are many reasons for the recurrence of fever, which may be related to the more serious condition, untimely treatment, and poorly targeted drugs. Common diseases are colds, rheumatoid arthritis, bronchitis, acute appendicitis and other factors related to the specific condition, according to the doctor’s instructions to choose the appropriate drugs, such as antibacterial drugs, immunosuppressants and so on. 1. Cold and flu: If the cold and flu are caused by bacterial or viral infections, and the fever is recurring and does not go away, you should choose drugs such as ibuprofen extended-release capsules, acetaminophen, aspirin capsules, levofloxacin capsules and other medicines for treatment under the doctor’s advice and guidance. 2. Rheumatoid arthritis: If the fever is caused by autoimmune diseases such as rheumatoid arthritis, it can be treated with drugs such as Leflunomide tablets, Liuzasulphadiazine enteric-coated tablets and Baricitinib tablets under the advice and guidance of doctors. 3. Bronchitis: If the fever is caused by bronchitis, you can use levofloxacin tablets, oseltamivir phosphate capsules, ribavirin tablets and other medicines to treat it under the advice and guidance of your doctor. 4. Acute appendicitis: Fever caused by acute appendicitis can be treated with drugs such as diclofenac sodium extended-release tablets, cefixime granules, metronidazole tablets and other medications under doctor’s advice and surgery if necessary. The above are only some of the common causes. If the fever does not go down repeatedly, you should consult a doctor as soon as possible for a clear diagnosis and standardized treatment as prescribed by the doctor. The use of the above drugs must follow the doctor’s advice, not blindly use their own medicine, so as not to cause adverse consequences.