Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
© 2026 The Korean Headache Society
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Conceptualization: WSH; Writing–original draft: WSH; Writing–review & editing: WSH.
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| A. Any headache fulfilling criterion C |
| B. Alcohol has been ingested |
| C. Evidence of causation demonstrated by all of the following: |
| 1. headache has developed within 3 hours of alcohol ingestion |
| 2. headache has resolved within 72 hours after alcohol ingestion has ceased |
| 3. headache has at least one of the following three characteristics: |
| a) bilateral |
| b) pulsating quality |
| c) aggravated by physical activity |
| D. Not better accounted for by another ICHD-3 diagnosis. |
| A. Any headache fulfilling criterion C |
| B. Alcohol has been ingested |
| C. Evidence of causation demonstrated by all of the following: |
| 1. headache has developed within 5–12 hours after ingestion of alcohol |
| 2. headache has resolved within 72 hours of onset |
| 3. headache has at least one of the following three characteristics: |
| a) bilateral |
| b) pulsating quality |
| c) aggravated by physical activity |
| D. Not better accounted for by another ICHD-3 diagnosis. |
| Domain | Alcohol-triggered migraine | Delayed alcohol-induced headache |
|---|---|---|
| Onset | Variable; often within hours | Within 5–12 hours of consumption |
| Duration | 4–72 hours | Mostly <10 hours |
| Location | Unilateral | Bilateral, frontal dominant |
| Quality | Pulsating | Pressing>pulsating |
| Aggravation by activity | ++ | ++ |
| Nausea/vomiting | ++ | ++ |
| Photophobia/phonophobia | ++ | + |
| Fatigue, dizziness, tremor | ± | ++ |
| Cranial autonomic symptoms (lacrimation, conjunctival injection, etc.) | - | + |
| Systemic autonomic symptoms (sweating, palpitation, etc.) | - | + |
ICHD, International Classification of Headache Disorders.
ICHD, International Classification of Headache Disorders.
Although both entities are classified as distinct entities within the International Classification of Headache Disorders, 3rd edition framework, this table is intended as a pragmatic tool for clinical differentiation rather than a nosological proposal.