A9.1.3.3 Persistent headache attributed to past intracranial fungal or other parasitic infection

Diagnostic criteria:

1. Headache previously fulfilling criteria for 9.1.3 Headache attributed to intracranial fungal or other parasitic infection, and fulfilling criterion C
2. Intracranial fungal or other parasitic infection has resolved
3. Headache has persisted for >3 months after resolution of the intracranial fungal or other parasitic infection
4. Not better accounted for by another ICHD-3 diagnosis, and hydrocephalus has been excluded by neuroimaging.