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Certain types of headaches may be a sign of a more serious condition, such as a brain tumor or aneurysm, especially if the pain is sudden or severe, according to Cohen. "This highlights the ...
Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
The reason why dehydration can cause lightheadedness is because it can lead to reduced blood pressure and prevent enough blood from reaching the brain. ... difficulty walking, headache or vomiting ...
Aura precedes headache, occurring within 60 minutes Headache phase Must include at least three of the following: Unilateral location, Pulsating quality, Moderate to severe pain, Aggravation by routine physical activity. Accompanying symptoms Nausea and/or vomiting, photophobia, and/or phonophobia Exclusion Symptoms not attributed to another ...
The pain is usually on both sides of the head (in 88–93% of people with NDPH), but may be unilateral, and may be localized to any head region. [5] The pain can fluctuate in intensity and duration, is daily, and lasts more than 3 months. [citation needed] There may be accompanying photophobia, phonophobia, lightheadedness or mild nausea.
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. [3] Headaches can occur as a result of many conditions.
Migraine (UK: / ˈ m iː ɡ r eɪ n /, US: / ˈ m aɪ-/) [1] [2] is a genetically-influenced complex neurological disorder characterized by episodes of moderate-to-severe headache, most often unilateral and generally associated with nausea and light and sound sensitivity.
The aura of migraine is visual in the vast majority of cases, because dysfunction starts from the visual cortex. The aura is usually followed, after a time varying from minutes to an hour, by the migraine headache. However, the migraine aura can manifest itself in isolation, that is, without being followed by headache.
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