A 12-year-old boy presents with a very sore throat and fever. On assessment you find an erythematous

A 12-year-old boy presents with a very sore throat and
fever. On assessment you find an erythematous rash on his face that feels like
sandpaper. You obtain a throat culture, which is positive for group A
streptococcus. What instructions would you give the parents regarding his care
at home?