Dizziness and fever may be caused by a mild infectious disease such as a cold, or a more serious infectious disease. You can use physical cooling to lower the body temperature and relieve the dizziness, if the symptoms are more serious, it is recommended to take medication to relieve the symptoms under the guidance of a doctor. 1, less serious infectious diseases: dizziness and fever after a cold, accompanied by cough, runny nose and other symptoms, most likely caused by the common cold, can follow medical advice to take phenomin tablets and other drugs to relieve the symptoms. When the body temperature is lower than 38.5℃, you can use warm water to wipe the body or use cold compresses to promote the reduction of body temperature, and at the same time, you can improve the symptoms of dizziness with massage. If the body temperature is above 38.5℃, on the basis of the above operation, drugs such as ibuprofen and acetaminophen should be given to reduce fever, while drinking more water and paying attention to rest. 2. Heavier infectious diseases: central system infectious diseases such as viral meningitis and bacterial meningitis may also cause dizziness and fever. When the human body is infected by bacteria or viruses, inflammatory reactions occur, and inflammatory factors stimulate the body to cause dizziness, fever and other discomforts. It is recommended that patients go to the hospital for examination to clarify the type of causative organism and then give targeted treatment, such as antibacterial drugs like cefuroxime, levofloxacin and ceftriaxone sodium for bacterial infections, and antiviral drugs like acyclovir and valacyclovir for viral infections. In addition, if the patient’s intracranial pressure is elevated after the examination, mannitol should be given to lower the cranial pressure. In addition, hypoglycemia, hypertension, rheumatic immune diseases, etc., may also cause dizziness and fever, and if accompanied by panic, palpitations, joint pain and other discomfort, you should go to the hospital as soon as possible to improve the relevant examination, to clarify the cause, and then follow medical advice for treatment.