If your child has a fever, you can use antipyretic medication, and you don't need to do anything about the rash, which in most cases recovers on its own and doesn't leave a scar. In the case of severe HFMD, the child's behavior may be more serious, and some neurological abnormalities will appear in the short term. At this time, the disease will progress more quickly and the prognosis will be relatively poor, so it is important to take the child to the hospital in time and ask the doctor to do more active management. So hand, foot and mouth disease is actually a viral infection caused by the disease, usually only need symptomatic treatment, wait for the natural course of the disease can be.