Headaches are one of the most common reasons people go to the doctor.
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Many things can cause a headache
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Most headaches aren't dangerous. but some are caused by a serious problem
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Tension headache and migraine are the two most common types of headaches
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Problems with your sinuses, brain, or eyes may also cause a headache
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Often, the doctor just needs to examine you, but sometimes you'll need tests such as a CT scan or a spinal tap
What causes a headache?
The most common causes of headache are:
Other causes of headache are:
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An infection in your head, such as meningitis, encephalitis, or sinusitis
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Bodywide infections such as Lyme disease, Rocky Mountain spotted fever, or flu
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Sudden bleeding in your brain (intracerebral hemorrhage)
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Caffeine withdrawal
When should I see a doctor for a headache?
See a doctor right away if you have a headache and any of the following warning signs:
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Changes in your vision, weakness, drowsiness, confusion, loss of balance, or trouble speaking
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A fever and stiff neck
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A sudden, very severe headache that came on like a thunderclap
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Tenderness at your temple (as when combing hair) or jaw pain when chewing
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Cancer, AIDS, or a weak immune system
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A worsening headache
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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.
What will happen at my doctor visit?
Your doctor will ask you questions about your symptoms and examine you. Your doctor may also do tests such as:
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Spinal tap (lumbar puncture)
