Awaken your child twice during the night, once at your bedtime and once 4 hours later. Arouse him until he is walking and talking normally. Do this for two nights. After that, return to a normal routine. The headache becomes severe.
Vomiting occurs three or more times.
Your child's vision becomes blurred or double. Your child becomes difficult to awaken or confused. Walking or talking becomes difficult. Your child's neurological condition worsens in any other way.