4.1.1 Probable primary cough headache

Diagnostic criteria:

1. Either of the following:
   1. a single headache episode fulfilling criteria B-D
   2. at least two headache episodes fulfilling criterion B and either of criteria C and D
2. Brought on by and occurring only in association with coughing, straining and/or other Valsalva manœuvre
3. Sudden onset
4. Lasting between 1 second and 2 hours
5. Not fulfilling ICHD-3 criteria for any other headache disorder
6. Not better accounted for by another ICHD-3 diagnosis.