When should headache be considered an emergency?
Short answer
Any sudden, severe, or unusual headache — especially with neurological symptoms — should be treated as an emergency. When in doubt, seek immediate medical evaluation.
More detail
Most headaches are not emergencies, but certain features indicate a need for urgent evaluation. If any of the red flags below are present, do not wait for a scheduled visit.
Seek urgent care for any of these
- Sudden, severe 'thunderclap' headache
- Headache with weakness, numbness, or speech changes
- Headache with sudden vision loss
- Headache with fever, stiff neck, or confusion
- Headache after significant head trauma with worsening symptoms
- First severe headache in a person over 50
- Seizure with headache
If you are experiencing any of the above, contact emergency services or go to the nearest emergency department.
This information is educational and general in nature. It is not a diagnosis or a treatment plan, and it does not describe every possible cause of a symptom. Individual evaluation is required to determine what applies to any specific case.
Related service
Migraine & Persistent Headache Care
Evaluation and individualized care for migraine, post-traumatic headache, and persistent headache patterns.
Learn more about Migraine & Persistent Headache Care