Polymyalgia Rheumatica vs. Rheumatoid Arthritis: Understanding the Difference

Polymyalgia rheumatica (PMR) and rheumatoid arthritis (RA) are two distinct conditions that can cause similar symptoms, such as joint pain, stiffness, and fatigue. However, they are not the same disease and are not directly connected.

PMR is a condition that causes inflammation of the muscles and tendons, particularly around the shoulders and hips. It is more common in older adults and is often associated with giant cell arteritis (GCA), which is an inflammation of the blood vessels in the head and neck. PMR is typically treated with corticosteroids, such as prednisone.

RA is an autoimmune condition that causes inflammation of the joints. It can affect any joint in the body, but it most commonly affects the joints of the hands, feet, wrists, and knees. RA is typically treated with a combination of medications, including corticosteroids, disease-modifying antirheumatic drugs (DMARDs), and biologic agents.

While PMR and RA can have similar symptoms and can both be treated with corticosteroids, they are not the same disease and are not directly connected.