The reason why most people have a lower fever than a higher fever may be because a low fever can cause malaise, whereas a high fever can cause dizziness and drowsiness, and the malaise is relatively insignificant compared to a low fever. Most low fevers are caused by viral infections. Patients with viral infections may experience abdominal pain, diarrhea, body aches, malaise, nausea and vomiting. Some viruses can directly affect the peripheral nerves, such as shingles, and the body pain will be more pronounced. There are also many chronic diseases, there will be chronic damage to various organs of the body caused by unpleasant body, usually also low fever symptoms. And high fever patients are mostly due to acute bacterial infection, most patients will have dizziness and drowsiness and other symptoms, the body is not very obvious symptoms. It is recommended that patients with fever symptoms immediately seek medical attention, identify the cause of the disease and follow the doctor’s instructions.