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PMR Medical Abbreviation

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Author: Analgesia logo

Last Updated on May 16, 2025 by Analgesia team

What is Polymyalgia Rheumatica

Polymyalgia rheumatica (PMR) is a chronic inflammatory condition that causes pain and stiffness in large muscle groups—especially in the shoulders, neck, and hips. It primarily affects older adults, and symptoms often appear suddenly.

Symptoms of PMR

  • Muscle pain and stiffness around the shoulders, neck, and hip area

  • Stiffness is worse in the morning or after periods of inactivity

  • Reduced range of motion in affected areas

Other Possible symptoms

  • Low-grade fever

  • Fatigue and weakness

  • Unexplained weight loss

  • Mild depression or malaise

Important: These symptoms can mimic other conditions, so accurate diagnosis is essential.

Risk factors

  • Age: PMR almost exclusively affects people over age 50

  • Gender: More common in women

  • Ethnicity: Seen more often in people of Northern European descent

What Causes PMR
The exact cause is unknown, but researchers believe a combination of genetic predisposition and environmental triggers (like infections) may be involved.

Diagnosis

How Is It Diagnosed?

Diagnosis typically involves:

  • Reviewing medical history and symptoms

  • Performing a physical examination

  • Blood tests to check for inflammation markers like ESR and CRP

Doctors may also run tests to rule out conditions with similar symptoms, such as rheumatoid arthritis or fibromyalgia

Treatment for Polymyalgia Rheumatica

The most common treatment is a low-dose corticosteroid, such as:

  • Prednisone, which often brings rapid relief—sometimes within 24 to 48 hours

Doctors will gradually taper the dosage over months, monitoring for symptom return and side effects.

Complications

The most serious complication of PMR is:

  • Giant Cell Arteritis (GCA): A related condition causing headaches, scalp tenderness, jaw pain, and blurred vision. Left untreated, GCA can lead to permanent vision loss.

If any of these symptoms occur, seek medical attention immediately.

With proper treatment:

  • PMR often resolves within 1 to 2 years

  • Most people experience significant improvement quickly

  • Without treatment, symptoms may persist for over a year

PMR is most common in women and almost always occurs in people over 50. It can develop overnight or gradually. Symptoms are worse in the morning and lessen as the day goes on. With treatment, PMR usually disappears in a day or two. Without treatment, it usually goes away after a year or more. 

 

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