Abstract
Scabies infection may be complicated by secondary bacterial infections, most commonly due to Staphylococcus aureus and group A Streptococcus. Direct trauma from scratching and specific proteins secreted by the scabies mite predispose to proliferation of bacteria in the skin. The most common clinical manifestation of scabies-related bacterial skin infection is impetigo. Scabies infestation can also lead to more severe skin and soft tissue infections such as abscess, cellulitis and necrotising fasciitis, as well as invasive infections including sepsis and toxic shock syndrome. Further, scabies-related impetigo has been linked to secondary immune complications of group A streptococcal infection – acute post-streptococcal glomerulonephritis and possibly acute rheumatic fever. Secondary bacterial infectious complications are a significant contributor to the morbidity and mortality caused by scabies.
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Tsoi, S.K., Thean, L.J., Steer, A.C., Engelman, D. (2023). Scabies and Secondary Infections. In: Fischer, K., Chosidow, O. (eds) Scabies. Springer, Cham. https://doi.org/10.1007/978-3-031-26070-4_11
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