If the child has fever, make sure they rest, give plenty of juice and use a vaporizer. Spots change to blisters, which eventually crust. 10 to 21 days 7 to 10 days 1 day before spots appear to about 6 days after. The child should be isolated until blisters crust and dry. Consult your doctor.
Rest is essential.
Relieve itching with Calamine lotion. Trim child's nails so they don't scratch the scabs. Keep child's utensils and dishes separate. Sneezing, stuffed or runny nose. Sore throat and watery eyes.