CRUSTED SCABIES

By Gary M. White, MD

crusted scabies


In crusted scabies, the patient is covered with thousands of mites and the skin develops a hyperkeratotic surface.

Clinical

By definition, the patient with scabies develops thicken, hyperkeratotic plaques. In severe cases, the skin may be dramatically encased with thick crusts (see reference below).

Rarely, crusted scabies may be fatal, as patients can die from sepsis. Typically, these patients are elderly, with poor hygiene and a compromised immune system, e.g. uncontrolled diabetes or HIV AIDS.

Treatment

The repeated use of topical 5% permethrin combined with oral ivermectin 200 µg/kg is optimal. The CDC has recommended the following [Center for Disease Control. Workowski, Kimberly L. et al. STD Treatment Guidelines 2015. MMWR. June 5, 2015 64(RR3); 1-137]:

See also scabies.

Additional Pictures

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crusted scabies crusted scabies

References

A 33-year-old woman with thick encrusted plaques before and after treatment. An Bras Dermatol. 2012 Nov-Dec; 87(6): 910–913.

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