New Daily Persistent Headache — SCE Neurology MCQ
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Correct answer: B — New daily persistent headache
New daily persistent headache (NDPH) is characterised by a headache that is daily and unremitting from onset (or within 3 days of onset), and the patient can typically pinpoint the exact date of onset. This feature distinguishes it from chronic migraine or chronic tension-type headache, which evolve from episodic forms. NDPH may have migraine-like or tension-type features but is defined by its abrupt onset and persistence. A: Chronic migraine evolves from episodic migraine. B: Chronic TTH evolves from episodic TTH. D: No medication overuse history. E: Normal MRI excludes structural cause.
Reference: ICHD-3 (2018)