Expanding the Understanding of Stiff-Person Syndrome: Insights from 17 Cases in India.

Stiff-person syndrome (SPS) is a rare and complex neurologic disorder characterized by progressive muscle stiffness, painful spasms, and gait difficulties. In this report, we describe a case of SPS who presented with a relapse while on maintenance immunosuppressive treatment. In addition, we review the literature of 16 previously reported cases of SPS from India, highlighting the diverse clinical features, comorbidities, treatment response, and relapse.