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  2. Thunderclap headache - Wikipedia

    en.wikipedia.org/wiki/Thunderclap_headache

    A thunderclap headache is a headache that is severe and has a sudden onset. It is defined as a severe headache that takes seconds to minutes to reach maximum intensity. [1] [2] Although approximately 75% are attributed to "primary" headachesheadache disorder, non-specific headache, idiopathic thunderclap headache, or uncertain headache disorder—the remainder are secondary to other causes ...

  3. Orthostatic headache - Wikipedia

    en.wikipedia.org/wiki/Orthostatic_headache

    Orthostatic headache is a medical condition in which a person develops a headache while vertical and the headache is relieved when horizontal. [1] [2] Previously it was often misdiagnosed as different primary headache disorders such as migraine or tension headaches. Increasing awareness of the symptom and its causes has prevented delayed or ...

  4. Neurologists reveal 15 subtle migraine symptoms — that aren't ...

    www.aol.com/neurologists-reveal-15-subtle...

    A migraine headache can throw your whole day off track. But if you can learn to pick up on your subtle migraine warning signs, you might able to avoid the pain entirely, experts say. "This is a ...

  5. Reversible cerebral vasoconstriction syndrome - Wikipedia

    en.wikipedia.org/wiki/Reversible_cerebral...

    These headaches are typically bilateral, very severe and peak in intensity within a minute. [1] They may last from minutes to days, and may be accompanied by nausea, photophobia, phonophobia or vomiting. [1] Some patients experience only one headache, but on average there are four attacks over a period of one to four weeks. [1]

  6. How to get rid of a headache - AOL

    www.aol.com/lifestyle/rid-headache-140004060.html

    Experts recommend seeking medical attention right away if you have a sudden, severe headache that feels like "the worst headache of your life," Mikhael says, or what the Mayo Clinic describes as a ...

  7. Orthostatic intolerance - Wikipedia

    en.wikipedia.org/wiki/Orthostatic_intolerance

    Orthostatic intolerance (OI) is the development of symptoms when standing upright that are relieved when reclining. [1] There are many types of orthostatic intolerance. OI can be a subcategory of dysautonomia, a disorder of the autonomic nervous system [2] occurring when an individual stands up. [3]

  8. Headache - Wikipedia

    en.wikipedia.org/wiki/Headache

    A headache, also known as cephalalgia, is the symptom of pain in the face, head, or neck.It can occur as a migraine, tension-type headache, or cluster headache. [1] [2] There is an increased risk of depression in those with severe headaches.

  9. Got Headaches from Viagra or Cialis? Here's Why & How to Treat It

    www.aol.com/got-headaches-viagra-cialis-heres...

    For severe headaches, contact your healthcare provider. It’s rare for ED medication to cause a severe migraine headache. If you have a very intense headache that doesn’t get better over time ...