Headaches (NHS)

Tier 1: Established: peer-reviewed research or government health authority
Publisher: NHS (National Health Service) · Published: August 24, 2026 · Accessed: August 24, 2026

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Claims this source supports

• Most headaches are not serious, but see a GP if you've tried treating one and it's not getting better or is getting worse, or you regularly get headaches.
• Ask for an urgent GP appointment or NHS 111 help if a headache comes with vision or eye problems, is triggered or made worse by coughing, sneezing, bending down or exercising, or comes with vomiting.
• Call 999 or go to A&E if a headache started suddenly and is extremely painful, or comes with loss of vision, numbness or weakness in the body or face, difficulty speaking, balance or walking, drowsiness or confusion, a seizure, or a rash that does not fade when a glass is rolled over it.