Orphanet: Inclusion body myositis

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Inclusion body myositis

Disease definition

Inclusion body myositis (IBM) is a slowly progressive degenerative inflammatory disorder of skeletal muscles characterized by late onset weakness of specific muscles and distinctive histopathological features.


Classification level: Disorder
  • Synonym(s):
    • IBM
    • Sporadic inclusion body myositis
    • sIBM
  • Prevalence: 1-9 / 1 000 000
  • Inheritance: Not applicable 
  • Age of onset: Adult, Elderly
  • ICD-10: M60.8
  • OMIM: 147421
  • UMLS: C0238190  C0751713
  • MeSH: -
  • GARD: 3896
  • MedDRA: 10066407

Detailed information

Article for general public


The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.