Headaches are one of the most common reasons people go to the doctor.
The most common causes of a headache are:
Other causes of a headache are:
See a doctor right away if you have a headache and any of the following warning signs:
Changes in your vision, weakness, drowsiness, confusion, loss of balance, or trouble speaking
A fever and stiff neck
A sudden, very severe headache that came on like a thunderclap
Tenderness at your temple (as when combing hair) or jaw pain when chewing
Cancer, AIDS, or a weak immune system
A worsening headache
Red eyes and halos seen around lights
See a doctor within a week if you have:
If you are older than 50 years old, any new headache or change in old headache should be seen by a doctor. Older people are more likely to have a serious cause for a headache, and even common headaches may be more difficult to treat in older people.
Treatment depends on the type of headache you have: