Aetiology: skin infestation with Sarcoptes scabiei mite spread by close physical contact between people. Not acquired from animals.
Demographics
- school-aged children
- Aboriginal and Torres Strait Islander communities
- closed communities such as residential aged care facilities
Clinical Features:
- rash, itch, burrows, nodules
- Adults do not get above the neckline
- Babies can
Investigations
- Diagnosis is usually clinical
- confirmation can be made by microscopy of scrapings from a burrow.
- If the mite is not detected on microscopy, the most practical diagnostic test is response to treatment.
Management
- assess and treat secondary infections (impetigo etc)
- non pharm
- Wash patient’s and close contacts’ clothes, towels and bedding (hot cycle 60℃), and/or subject them to heat from an iron or a hot clothes dryer. Alternatively, they can be stored in a sealed plastic bag for 8 days
- If possible, place mattresses, pillows and blankets in the sun, and thoroughly vacuum the house and soft furnishings such as lounges. There should be no body contact for 3 days for items that cannot be washed or put in the sun.
- notify school → return after 2x treatment, 1 week apart