How Scarlet Fever Is Diagnosed
Self-Checks/At-Home Testing Scarlet fever is the presence of a rash on the body when you have an infection with Group A streptococcus bacteria causing a sore throat. Strep throat is the common name that is given for this infection. Scarlet fever simply means you or your child has a rash with strep throat. Although this may seem like a simple thing that could be diagnosed at home, it is not....