Polymyositis developing after prolonged injections of pentazocine

Kim, H.A.; Song, Y.W.

Journal of Rheumatology 23(9): 1644-1646

1996


ISSN/ISBN: 0315-162X
PMID: 8877940
Document Number: 465990
Pentazocine is a frequently used analgesic drug. Numerous complications have been reported in association with its use, including skin fibrosis, skin ulceration, abnormal skin pigmentation and symmetrical myopathy. Fibrous myopathy is a rare but conspicuous complication of prolonged pentazocine injection. However, inflammatory myopathy has not previously been related to this substance abuse. We describe a patient who developed polymyositis after 13 months of pentazocine injections.

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