Subacute Sclerosing Panencephalitis.

Subacute sclerosing panencephalitis (SSPE) is a rare, invariably fatal degenerative disease of central nervous system developing after measles infection. Neurological symptoms are initial presenting symtoms but rere reports of pure psychiatric symtoms preceding neurological symtoms have been reported.. We here report a case of 18 years old male patient suffering from Subacute sclerosing panencephalitis (SSPE) who initially had behavioural changes and then subseqently devloped neurological symptoms.