38.6 degrees can be taken as a fever reducer if caused by a cold or infection. 38.6 degrees Celsius is a moderate fever, if the patient does not have obvious symptoms such as fatigue, generalized pain, etc., you can first lower the temperature physically, drink more warm water and observe. If the fever is caused by cold can take oral antipyretic drugs, such as ibuprofen, acetaminophen and so on. After taking antipyretic drugs, the patient’s symptoms are significantly reduced, but will sweat more, plus the prolonged fever will lead to body dehydration, at this time to drink more water, let the body temperature down. If the body temperature does not drop, it is recommended to go to the hospital to clarify the cause of fever. If the fever is caused by infection, it is necessary to apply anti-inflammatory drugs, such as cephalosporin antibiotics, under the guidance of the doctor for the cause of the infection, and ask for no history of allergy before use, and cooperate with the application of fever-reducing drugs such as indomethacin suppositories for treatment. Antipyretic drugs can cause allergies and liver and kidney function damage and other side effects, should be taken under the guidance of a physician, can not be overdosed, such as rashes, itching, etc., to immediately stop the drug, and seek medical attention in a timely manner.