Chicken pox   

Chicken pox is caused by the varicella zoster virus.

The incubation period is as long as 21 days.

Do not give a child, who has chicken pox, aspirin as it may cause Reye's Syndrome.

Acetaminophen may help control fever, headache or muscle pain.

If the patient has a temperature above 39.4° C, call a doctor. .

Baking soda  baths can help relieve itching sensations.