Fibrous myopathy from butorphanol injections

Wagner, J.M.; Cohen, S.

Journal of Rheumatology 18(12): 1934-1935

1991


ISSN/ISBN: 0315-162X
PMID: 1724466
Document Number: 386416
We describe an unusual, and probably underrecognized manifestation of intramuscular narcotic abuse. Fibrous myopathy is a deforming, fibrous infiltration of the muscles used for injection over a prolonged period. It is usually associated with pentazocine or meperidine injections, and to our knowledge, this is the first report of butorphanol causing the entity.

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