Polymyalgia Rheumatica Medication
- Author: Patricia J Papadopoulos, MD; Chief Editor: Herbert S Diamond, MD more...
Medication Summary
The goals of therapy in polymyalgia rheumatica are to control painful myalgia, to improve muscle stiffness, and to resolve constitutional features of the disease. Oral corticosteroids are the first line of treatment. Nonsteroidal anti-inflammatory drugs (NSAIDs) may be helpful as adjuncts to corticosteroids during tapering, or alone in mild cases; however, because they are associated with increased drug-related morbidity, they should be used with caution in this elderly population.
Corticosteroids
Class Summary
These agents cause profound and varied metabolic effects. Their exact mechanism of action in polymyalgia rheumatica is not well known, but their efficacy may stem from their general anti-inflammatory and immunomodulatory effects. In addition, corticosteroids down-regulate cytokine production.
Prednisone
Prednisone has the capacity to dramatically reduce inflammatory manifestations for the following reasons:
- Inhibition of the function of leukocytes and tissue macrophages, which diminishes their ability to respond to antigens and mitogens
- Inhibition of phospholipase A2, resulting in decreased prostaglandin and leukotriene synthesis
- Inhibition of cyclooxygenase II expression, which may be the enzyme more involved in the inflammatory effects of eicosanoids
- Decreased activity of kinins and decreased histamine release by basophils, leading to decreased capillary permeability.
Polymyalgia rheumatica is rapidly responsive to low doses of prednisone. However, patients may require treatment for several months to several years.
Nonsteroidal Anti-Inflammatory Drugs
Class Summary
These agents can be administered to some patients with mild symptoms; however, patients require corticosteroids for total control of symptoms. NSAIDs may be helpful in later stages of corticosteroid dosage tapering, with close monitoring for drug-related morbidity. NSAIDs generally have no effect on the erythrocyte sedimentation rate (ESR).[20]
Ibuprofen (I-Prin, Motrin, Caldolor, NeoProfen, Proprinal)
Ibuprofen is the drug of choice for patients with mild to moderate pain. It inhibits inflammatory reactions and pain by decreasing prostaglandin synthesis.
Naproxen (Anaprox, Aleve, Naprosyn, Naprelan)
Naproxen is indicated for relief of mild to moderate pain. It inhibits inflammatory reactions and pain by decreasing activity of cyclooxygenase, which results in a decrease of prostaglandin synthesis.
Antineoplastics, Antimetabolite
Methotrexate (Trexall, Rheumatrex)
Antineoplastic agent that is immunosuppressive at lower doses. Antirheumatic effects may take several weeks to become apparent. Unknown mechanism of action in treatment of inflammatory disorders; may affect immune function. Ameliorates symptoms of inflammation (eg, pain, swelling, stiffness).
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