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Table 2 (abstract P116). ICHD-3 diagnostic criteria for NDPH

From: 12th European Headache Federation Congress jointly with 32nd National Congress of the Italian Society for the Study of Headaches

A. Persistent headache fulfilling criteria B and C
B. Distinct and clearly-remembered onset, with pain becoming continuous and unremitting within 24 hours
C. Present for >3 months
D. Not better accounted for by another ICHD-3 diagnosis