Table 1.

Characteristics that can be used to differentiate between tension-type headache and migraine.

	Migraine	Tension-type headache
Time pattern	Attackwise, lasting 4–72 hours	Variable, from episodes lasting 30 minutes to continuous headache
Headache characteristic	Often unilateral and pulsating with aggravation by physical activity	Often bilateral and pressing, usually no aggravation by physical activity
Intensity	Typically moderate to severe	Typically mild to moderate
Accompanying symptoms	Often nausea and/or vomiting, photophobia and phonophobia	No or only mild nausea, photophobia or phonohobia