Coded elsewhere:
8.2 Medication-overuse headache.
Diagnostic criteria:
- Headache previously diagnosed as 8.1 Headache attributed to use of or exposure to a substance or one of its subtypes, and fulfilling criterion C
- Use of or exposure to the substance has ceased
- Headache has persisted for >3 months after exposure has ceased
- Not better accounted for by another ICHD-3 diagnosis.