Medical Definition of Alopecia, traumatic
Alopecia, traumatic: Hair loss caused by injury to the scalp. Common causes include the use of caustic hair straighteners, especially those that include lye as an ingredient; stress traction injury from tight rollers and braiding; overheating of the hair shafts; and compulsive pulling out of hair (trichotillomania).
Last Editorial Review: 7/1/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?