Diagnostic criteria: episodic tension-type headache: International Headache Society (IHS) 2018 (after).
A | At least 10 headache episodes at < 1 day/month on average (< 12 days/year) and meeting criteria B – D |
B | Headache duration ranges from 30 minutes to 7 days. |
C |
Headache has at least two of the following four characteristics:
|
D |
Both of the following are satisfied:
|
E | Not better explained by another ICHD-3 diagnosis. |
Diagnostic criteria: chronic tension-type headache: International Headache Society (IHS) 2018 (after).
A | Headache occurring for more than 3 months on at least 15 days/month (more than 180 days/year) and meeting criteria B-D. |
B | The headache lasts for hours to days or may occur without a break. |
C |
Headache has at least two of the following four characteristics:
|
D | Both of the following are satisfied: |
E | Not better explained by another ICHD-3 diagnosis. |