 [ Symptoms ] can a child have strep throat with no sorethroat or fever he has welts on his back and arms and face had ear infection and was treated with amoxil then 2 day after last dose developed nausea and vomiting and diarrhea and then the welts showed up took him to md office and he was tested for strep and it was positive he has no sore throat or fever he was put on amoxil again and was also told to take benadryl [ Disease ] if you expose him to it he will only catch chicken pox which if you have it once you can never get it again