From the Research
Scabies infection can trigger an eczema-like skin condition, but it does not directly cause true eczema (atopic dermatitis). However, in people who already have eczema, a scabies infection can worsen the condition due to additional skin irritation and scratching. The body's immune response to the scabies mite and its waste products can create inflammation that resembles eczema, with red, itchy bumps and scales 1. Some studies have reported cases of eczematous eruptions after scabies treatment with oral ivermectin, suggesting a possible link between scabies and eczema-like symptoms 1. Key points to consider include:
- Scabies is caused by the Sarcoptes scabiei mite, which burrows into the skin and causes intense itching and a rash that can resemble eczema.
- Treatment for scabies requires specific anti-parasitic medications like permethrin 5% cream or oral ivermectin.
- All household members and close contacts should be treated simultaneously, even if asymptomatic.
- It's essential to distinguish between scabies and eczema for proper treatment, as eczema treatments like corticosteroids won't eliminate scabies mites and may mask symptoms while allowing the infestation to spread 2. In terms of treatment, oral ivermectin (200 mcg/kg, repeated in 7 days) or permethrin 5% cream (applied from neck down for 8-14 hours then washed off, repeated in 7 days) are effective options 2. Additionally, washing bedding and clothing in hot water and drying them on high heat can help prevent the spread of scabies. It's also important to note that scabies can be misdiagnosed as other skin conditions, including eczema, and that a proper diagnosis is crucial for effective treatment 3. Overall, while scabies infection does not directly cause true eczema, it can trigger an eczema-like skin condition and worsen existing eczema, emphasizing the need for accurate diagnosis and treatment.