Immediate alcohol-induced headache

Previously used term:
Cocktail headache.

Diagnostic criteria:
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 hr of alcohol ingestion
    2. headache has resolved within 72 hr 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.

The effective dose of alcohol to cause Immediate alcohol-induced headache is variable, and can be very small in people with 1. Migraine (who, at other times, may tolerate alcohol at the same level as non-migraineurs). Immediate alcohol-induced headache is much rarer than Delayed alcohol-induced headache.