Neuropsychiatric manifestations in General Paralysis of Insane (GPI).

General paralysis of insane is a form of neurosyphilis which brings parenchymatous changes in the central nervous system. Its manifestations include a variety of neuropsychiatric symptoms ranging from cognitive impairment to overt psychosis. Clinicians face difficulties in proper diagnosis as variety of symptoms changes from one form to other within a short period of time. Rarity of the disease at this modern era of penicillin is also another factor in timely diagnosis and management of such cases. Here we present a case of general paralysis of insane who presented with variety of neuropsychiatric symptoms and have had great difficulties to reach into the diagnosis.