39 degrees is a moderate fever, there is no physical fever fastest method, you can through the warm water wipe, cold compresses and other methods of physical cooling, but also with medication.
1. Warm water wipe: you can use warm water to wipe the palms of the hands, feet, neck, armpits, chest and other parts of the flow through the large blood vessels, through the evaporation of the body surface to promote the metabolism, so as to play the purpose of cooling down.
2. Cold compresses: you can use cool towels or ice to apply cold compresses to the forehead, which can constrict blood vessels, reduce brain cell edema, and also have a certain auxiliary effect on fever.
3. medication: simple physical fever reduction efficacy is not obvious, can be combined with ibuprofen acetaminophen and other antipyretic analgesic drugs treatment.
Fever is only a symptom, we need to further check what causes the fever, and actively treat the cause.