Idiopathic intracranial hypertension

Nervous system and special senses

Adverse effects of drugs on the nervous system

Global cerebral dysfunction

Metabolic disorders

Neurologic pain syndromes

Summary

Idiopathic intracranial hypertension (IIH) also known as pseudotumor cerebri, is a neurological condition characterized by an increased intracranial pressure, without evidence of a space-occupying lesion or hydrocephalus on brain imaging. It causes symptoms like headache, tinnitus, and visual disturbances like diplopia.