Fever just do not wash your hair for the time being. Because fever is common in the body with pathogens invasion, commonly viruses, bacteria, mycoplasma, chlamydia, rickettsiae and other inflammatory reaction in the body. When the body temperature is reduced to normal, the inflammatory reaction in the body actually continues, and not completely recovered, there are still a small number of pathogens in the body. If you wash your hair at this time, you will get cold and aggravate your condition, and you may be infected by other pathogens. At this time, we should pay attention to keep warm, do not wash your hair for the time being. After the condition has completely resolved, you can choose an appropriate time to wash your hair under the premise of paying attention to warm measures.