Measles is making a troubling comeback in the U.S., driven by declining vaccination rates and rising vaccine hesitancy.

An exanthem is any eruptive skin rash that may be associated with fever or other systemic symptoms. Causes include infectious pathogens, medication reactions and, occasionally, a combination of both.

The fever can reach as high as 105 degrees. Tiny white spots may appear inside the mouth two to three days after symptoms begin, according to the Indiana Department of Health. A rash can form on ...

It has an incubation period of approximately 10–12 days, and clinical disease begins with symptoms of fever, conjunctivitis ... nonpruritic macular rash, predominantly on the neck and trunk.