After the baby had a fever, many red rashes grew on his face, and he was in a bad mood.

The baby has a lot of red rash after the body has a fever. This should be caused by acute rash in children. Generally, acute rash in children is caused by virus infection. Its typical symptom is fever rash. This kind of lesion can be treated without medication. Generally, the red rash will subside on its own in 3-5 days.