When a child develops a fever and rash, the first step is to identify the type of rash. If the described rash is common measles, it is often caused by respiratory tract infections with viruses. At this time, the symptoms that cause fever: first of all, it is necessary to measure the body temperature, and if the phenomenon of elevated body temperature is more obvious, above 38.5 degrees, it is necessary to give the child oral ibuprofen suspension for antipyretic treatment. In addition, antiviral medication is needed to treat the measles virus, and antiviral medication such as acyclovir is recommended. Measles, often accompanied by cough, runny nose and phlegm phenomenon, you also need to use cough and phlegm drugs, the effect is better, you can use Ambrotyl oral solution, pulmonary cough or compound fresh bamboo leech liquid for cough and phlegm treatment, do not use hot water to rub the rash, will aggravate the rash phenomenon.