Table 2 International Headache Society diagnostic criteria for NDPH

Description

Headache that is daily and unremitting from very soon after onset (within 3 days at most). The pain is typically bilateral, pressing or tightening in quality and of mild to moderate intensity. There may be photophobia, phonophobia or mild nausea

Diagnostic criteria

  A. Headache that, within 3 days of onset, fulfils criteria B-D

  B. Headache is present daily, and is unremitting, for >3 months

  C. At least two of the following pain characteristics

    1. Bilateral location

    2. Pressing/tightening (non-pulsating) quality

    3. Mild or moderate intensity

    4. Not aggravated by routine physical activity such as walking or climbing stairs

  D. Both of the following

    1. No more than one of photophobia, phonophobia or mild nausea

    2. Neither moderate or severe nausea nor vomiting

  E. Not attributed to another disorder