Previously used terms:
Nitroglycerine headache; dynamite headache; hot dog headache.
A. Any headache fulfilling criterion C
B. Absorption of a nitric oxide (NO) donor has occurred
C. Evidence of causation demonstrated by all of the following:
1. headache has developed within 1 hr after absorption of the NO donor
2. headache has resolved within 1 hr after release of NO has ended
3. headache has at least one of the following four characteristics:
b) mild to moderate intensity
c) pulsating quality
d) aggravated by physical activity
D. Not better accounted for by another ICHD-3 diagnosis.