Most chickenpox infections require no special medical treatment. But sometimes, there are problems. Call the doctor if your child:

• has fever that lasts for more than 4 days or rises above 102? Fahrenheit (38.8? Celsius)
• has a severe cough or trouble breathing
• has an area of rash that leaks pus (thick, discolored fluid) or becomes red, warm, swollen, or sore
• has a severe headache
• is unusually drowsy or has trouble waking up
• has trouble looking at bright lights
• has difficulty walking
• seems confused
• seems very ill or is vomiting
• has a stiff neck