Table 1

Revised diagnostic criteria for medication overuse headache (modified from new appendix criteria)6

A. Headache duration≥15 days/month
B. Regular medication overuse for >3 months
  • One or more acute/symptomatic treatment drugs

  • ≥10 days/month

  • –Ergotamine, triptans, opioids

  • –Combination analgesic medications

  • Simple analgesics or

  • Any combination of ergotamine, triptans, analgesics opioids

  • ≥15 days/month

  • Without overuse of any single class alone

C. Headache developmentDeveloped or markedly worsened during medication overuse