When to seek medical advice

Get emergency medical care if your headache:

  • Is sudden and severe or the "worst headache ever"
  • Is accompanied by a fever, nausea or vomiting not related to a known illness
  • Is accompanied by stiff neck, rash, confusion, seizures, double vision, weakness, numbness or difficulty speaking
  • Follows a head injury, fall or bump

Get prompt medical care if your headache:

  • Gets worse despite rest and over-the-counter pain medication
  • Is new and you have a history of cancer or HIV/AIDS

Headaches

Find possible causes of headaches based on specific factors. Check one or more factors on this page that apply to your symptom.

Pain is
Pain located
Onset
Duration of headache is
Recurrence of headache
Triggered or worsened by
Relieved by
Accompanied by