Scabies
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ICD10 CODE: B86
Contagious skin disease associated with severe itch
Cause
- A parasitic mite, Sarcopterus scabiei hominis
- Transmitted by direct skin contact with infected person
Clinical features
- Intense itching, especially at night
- Wheals, papules, vesicles, and thread-like burrows
- Common in flexural areas, e.g. wrists and inter-digital creases, axillae, nipples, buttocks, and genitalia
- Scratching spreads mites to other areas leading to widespread, intensely pruritic eruption
- Secondary infection is common
Differential diagnosis
- Papular urticaria, atopic or seborrhoeic dermatitis
- Drug eruptions
- Onchocerciasis
- Contact dermatitis
Investigations
- Microscopic identification of mites, their eggs or faeces obtained from the vesicles or mite burrows
Management
Treatment | LOC |
General measures
|
HC2 |
Medicine treatment
If treatment ineffective or unsuitable
If secondary infection is present
|
HC2
HC3 |
Prevention
- Personal hygiene (washing clothes and regular bathing)
- Avoid close contact with infected people