idiopathic intracranial hypertension

noun

Medical Definition of idiopathic intracranial hypertension 

: an abnormal condition that is characterized by increased intracranial pressure, headaches of varying intensity, papilledema, and blurring or loss of vision without any demonstrable intracranial lesion and that tends to occur in overweight women of childbearing age Idiopathic intracranial hypertension may be incidentally found through a routine eye examination, or it may show up with nonspecific symptoms like headaches and vision problems. — Katie Charles, The Daily News (New York), 2 Mar. 2011

called also benign intracranial hypertension, pseudotumor cerebri

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