Table 5.

Characteristics to distinguish between migraine and tension-type headache

	Migraine	Tension-type headache
Time pattern	Attacks lasting 4–72 h	Varies, from episodes lasting 30 min to a continuous headache
Headache characteristics	Frequently unilateral and pulsating. Aggrevation by physical activity	Frequently bilateral and pressing. Normally no aggravation by physical activity
Intensity	Tyically moderate to servere	Typically mild to moderate
Accompanying symptoms	Frequent nausea and/or vomiting, photophobia or phonophobia	None or only mild nausea, photophobia or phonophobia