An unusual case of crusted scabies in an immunocompetent adult: A case report.

Key Clinical Message: Although rare, crusted scabies can affect immunocompetent individuals with no identifiable risk factors. A high index of suspicion, regardless of an individual's immunological status or absence of traditional risk factors, should be maintained by health professionals to facilitate prompt referral to a dermatologist.

Abstract: Crusted scabies is an uncommon variant of human scabies characterized by extensive crusted and scaly hyperkeratotic papules, and plaques resulting from profound proliferation of mites in the skin.