Osmotic Demyelination Syndrome in a Patient With Schizophrenia: A Case Report

This case highlights ODS as a rare but critical differential diagnosis for severe EPS in schizophrenia, particularly when presenting with lead-pipe rigidity and pseudobulbar palsy. Greater awareness of this presentation can facilitate timely diagnosis and appropriate management, avoiding misattribution to antipsychotic-induced side effects that may result in long-term morbidity or mortality.