Usually, if the fever is diagnosed as caused by viral infection, symptomatic treatment is usually the mainstay, and antiviral drugs and antipyretic and analgesic drugs are recommended. 1. Antiviral drugs: viral fever is caused by viral infection, patients should actively carry out antiviral treatment, you can take ribavirin tablets, morpholino guanidine tablets and other antiviral drugs under the guidance of the doctor, these two drugs have a broader antiviral spectrum, have a strong inhibitory effect on a variety of viruses. 2. Antipyretic and analgesic drugs: If the body temperature is more than 38.5 degrees Celsius, you can take antipyretic and analgesic drugs, such as ibuprofen capsules, acetaminophen tablets and other medicines under the guidance of the doctor, which can relieve fever, headache, generalized aches and pains and other symptoms. Patients should take rest, drink plenty of fluids and monitor their body temperature at all times.