See:

Headache

Some of the following is based on an excellent review article on the Great Ormond Street Hospital website.

Epidemiology

Migraine

Migraine without aura is the most common cause of primary headache in children. The International Headache Society (IHS) have produced criteria for paediatric migraine without aura:

A >= 5 attacks fulfilling features B to D
B Headache attack lasting 4-72 hours
C Headache has at least two of the following four features:
• bilateral or unilateral (frontal/temporal) location
• pulsating quality
• moderate to severe intensity
• aggravated by routine physical activity
D At least one of the following accompanies headache:
• nausea and/or vomiting
• photophobia and phonophobia (may be inferred from behaviour)

Acute management

Prophylaxis

Tension-type headache (TTH)

Tension-type headache is the second most common cause of headache in children. The IHS diagnostic criteria for TTH in children is reproduced below: