Table 2

Differential diagnosis of new daily persistent headache

PrimarySecondary
*Includes postinfective forms.
CSF, cerebrospinal fluid.
  • Migrainous type

  • Featureless (tension type)

  • Subarachnoid haemorrhage

  • Low CSF volume headache

  • Raised CSF pressure headache

  • Post-traumatic headache*

  • Chronic meningitis