Narcotic dermopathy is a skin condition caused by the injection of drugs intravenously, resulting in thrombosed, cordlike, thickened
veins
Veins are blood vessels in humans and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated b ...
at the site of injection.
See also
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Skin lesion
References
Skin conditions resulting from physical factors
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