Also known as: HA-
HA has various meanings in the Common Medical category. Discover the full forms, definitions, and usage contexts of HA in Common Medical.
Headache is the symptom of pain anywhere in the region of the head or neck. It occurs in migraines, tension-type headaches, and cluster headaches. Frequent headaches can affect relationships and employment. There is also an increased risk of depression in those with severe headaches.
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