Polymyalgia rheumatica (PMR) causes sudden pain and stiffness in the shoulders and hips, often affecting adults over 50. This guide explains PMR symptoms, diagnosis, treatment, and when to watch for serious warning signs like giant cell arteritis. With early recognition and care, most people experience fast relief and restored mobility.

Relapsing polychondritis is a rare autoimmune condition that often goes undiagnosed, especially in its milder forms. It primarily affects...