Tag: Stiff person syndrome

Affecting an estimated 1 in 1 million people, stiff-person syndrome is a rare neurological disorder that can cause severe, progressive muscle rigidity. This disabling symptom is not merely typical muscle soreness but a persistent, painful tightening that severely restricts movement and can arise from a wide range of issues, including complex pharmacological reactions, infections, and other serious medical conditions that impact the nervous system. The question of what causes extreme muscle rigidity has many answers, requiring a precise diagnosis for effective management.