Classification and external resources

Myalgia of the right biceps brachii.
ICD-10 M79.1
ICD-9 729.1
DiseasesDB 22895

Myalgia means "muscle pain" and is a symptom of many diseases and disorders. The most common causes are the overuse or over-stretching of a muscle or group of muscles. Myalgia without a traumatic history is often due to viral infections. Longer-term myalgias may be indicative of a metabolic myopathy, some nutritional deficiencies or chronic fatigue syndrome.



The most common causes of myalgia are overuse, injury or strain. However, myalgia can also be caused by diseases, disorders, medications, or as a response to a vaccination. It is also a sign of acute rejection after heart transplant surgery.

The most common causes are:

  • Injury or trauma, including sprains, hematoma
  • Overuse: using a muscle too much, too often, including protecting a separate injury
  • Chronic tension

Muscle pain occurs with:


Overuse of a muscle is using it too much, too soon and/or too often.[1] Examples are:


The most common causes of myalgia by injury are: sprains and strain (injury).[1]


Multiple sclerosis(neurologic pain interpreted as muscular), Myalgic Encephalomyelitis, Myositis, Lupus erythematosus, Familial Mediterranean fever, Polyarteritis nodosa, Devic's disease, Morphea

Metabolic defect

Carnitine palmitoyltransferase II deficiency, Conn's syndrome, Adrenal insufficiency, Hyperthyroidism, Hypothyroidism


Chronic fatigue syndrome aka Myalgic Encephalomyelitis, Ehlers Danlos Syndrome, Hypokalemia, Exercise intolerance, Mastocytosis, Peripheral neuropathy, Eosinophilia myalgia syndrome, Fibromyalgia, Barcoo Fever, Herpes, Delayed onset muscle soreness, AIDS, HIV, Tumor-induced osteomalacia, Post Orgasmic Illness Syndrome


Acrylamide, Aspirin, colesevelam, darbepoetin, darunavir, daptomycin, ezetimibe, ibandronate sodium, ibuprofen, imiquimod, interferons, isotretinoin, procainamide, quinupristin/dalfopristin, statins, sumatriptan, tasigna, tiotropium, vardenafil, zolmitriptan, zocor.

Withdrawal syndromes

Sudden cessation of high-dose corticosteroids, opioids, barbiturates, benzodiazepines, or alcohol can induce myalgia.

See also


External links

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Look at other dictionaries:

  • Myalgia — My*al gi*a, n. [NL., fr. Gr. ? muscle + ? pain.] (Med.) Pain in the muscles; muscular rheumatism or neuralgia. [1913 Webster] …   The Collaborative International Dictionary of English

  • Myalgīa — (griech.), Muskel schmerz; M. lumbalis (Lumbago), Hexenschuß etc …   Meyers Großes Konversations-Lexikon

  • myalgia — (n.) muscular pain, 1827, coined in Modern Latin (on analogy of neuralgia) from MYO (Cf. myo ) muscle + ALGIA (Cf. algia) pain …   Etymology dictionary

  • myalgia — ► NOUN ▪ pain in a muscle or group of muscles. DERIVATIVES myalgic adjective. ORIGIN from Greek mus muscle + algos pain …   English terms dictionary

  • myalgia — [mī al′jē ə, mī al′jə] n. [ModL: see MYO & ALGIA] pain in a muscle or muscles myalgic adj …   English World dictionary

  • Myalgia — Pain in a muscle; or pain in multiple muscles. Myalgia is muscle pain. That s all. There are, however, specific types of myalgia such as, for examples, epidemic myalgia and polymyalgia rheumatica. Epidemic myalgia, also known as Bornholm disease …   Medical dictionary

  • Myalgia epidemica — Klassifikation nach ICD 10 B33.0 Pleurodynia epidemica Bornholmer Krankheit Myalgia epidemica …   Deutsch Wikipedia

  • myalgia — noun Etymology: New Latin Date: 1860 pain in one or more muscles • myalgic adjective …   New Collegiate Dictionary

  • myalgia — Muscle pain …   Dictionary of molecular biology

  • myalgia — myalgic, adj. /muy al jee euh, jeuh/, n. Pathol. pain in the muscles; muscular rheumatism. Also called myoneuralgia. [1855 60; MY + ALGIA] * * * …   Universalium

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