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Scabies

Ryan J. Dono, MD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • A contagious parasitic infection of the skin caused by the mite Sarcoptes scabiei, var. hominis

  • Typically, a clinical diagnosis based on history and physical exam

  • System(s) affected: s...

DIAGNOSIS

HISTORY

  • Generalized itching is often severe and worse at night.

  • Identify potential contact with infected individuals.

  • Initial/primary infection usually asymptomatic for the first 3 to 4 weeks (...

TREATMENT

GENERAL MEASURES

  • Treat all intimate contacts (including close household and family members).

  • Treat items in contact with skin. Wash all clothing, bed linens, and towels in hot (60°C) water and...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

Recheck patient at weekly intervals only if rash or itching persists. Scrape new lesions and retreat if mites or products are found. 

PATIENT EDUCATION

REFERENCES

1
Romani L, Steer AC, Whitfeld MJ, et al. Prevalence of scabies and impetigo worldwide: a systematic review. Lancet Infect Dis.  2015;15(8):960–967. [View Abstract on OvidMedline]
2
Engel...

SEE ALSO

Arthropod Bites and Stings; Pediculosis (Lice) 

CODES

ICD10

B86 Scabies 

ICD9

133.0 Scabies 

SNOMED

  • 128869009 Infestation by Sarcoptes scabiei var hominis (disorder)

  • 128870005 Crusted scabies (disorder)

CLINICAL PEARLS

  • Prior to diagnosis, use of a topical steroid to treat pruritic symptoms may mask symptoms and is termed scabies incognito.

  • Environmental control is recommended. All linens, towels, and ...

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