History:
Severity, chronologic pattern and associated symptoms
- Location? Unilateral or bilateral? Positional changes?
- Severe with sudden onset, like a thunderclap? Intensifying over minutes or hours?
- Steady or throbbing?
- Continuous or intermittent? Episodic? Chronic or recurring?
- Is the headache “typical” or is there something different? Changes in pattern?
- Is there an aura? Changes in vision? Weakness or numbness?
- Nausea and vomiting?
- Overuse of analgesics, ergotamines or triptans?
- Family history?
Differential Diagnosis:
- Secondary – With an identified underlying disease
- Meningitis
- Subarachnoid hemorrhage
- Mass lesion – New, persisting and progressively severe headaches
- Primary – Without an identified underlying disease
- Tension – Temporal areas
- Migraine – Unilateral
- Cluster – Retro-orbital
- Chronic
References:
Bickley, Lynn S., Bates’ Guide to Physical Examination and History Taking. 12th ed. Philadelphia: Lippincott Williams & Wilkins, 2017, p. 216.