title: Fibrous myopathy from butorphanol injections.
abstract: 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.
authors.affiliation: Division of General Internal Medicine, University of Texas Southwestern Medical Center, Dallas 75235-8889.
authors.forename: J M
authors.initials: JM
authors.lastname: Wagner
authors.forename: S
authors.initials: S
authors.lastname: Cohen
mesh_terms: D000328:Adult; D002077:Butorphanol / Q000009:adverse effects / Q000627:therapeutic use; D005260:Female; D005355:Fibrosis; D006801:Humans; D007273:Injections, Intramuscular; D009132:Muscles / Q000473:pathology; D009135:Muscular Diseases / Q000139:chemically induced* / Q000473:pathology; D010146:Pain; D010166:Palliative Care; D012782:Shoulder; D019966:Substance-Related Disorders
chemical_list: D002077:Butorphanol