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Intertrigo is caused by the macerating effect of heat, moisture, and friction. It is especially likely to occur in obese persons and in humid climates. The symptoms are itching, stinging, and burning. The body folds develop fissures, erythema, maceration, and superficial denudation. Candidiasis may complicate intertrigo (eFigure 6–39) (eFigure 6–27). “Inverse psoriasis (eFigure 6–28),” seborrheic dermatitis, tinea cruris, erythrasma (eFigure 6–29), and candidiasis must be ruled out.

eFigure 6–39.

Cutaneous candidiasis intertrigo. Small peripheral "satellite papules and pustules that have become confluent centrally, creating a large, eroded area in the submammary region. (Reproduced, with permission, from Wolff K, Johnson RA, Saavedra AP, Roh EK. Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e. McGraw-Hill; 2017.)

Maintain hygiene in the area and keep it dry. Compresses may be useful acutely. Hydrocortisone 1% cream plus an imidazole or clotrimazole 1% cream is effective. Recurrences are common.

Dissemond  J  et al. Moisture-associated skin damage (MASD): a best practice recommendation from Wund-D.A.CH. J Dtsch Dermatol Ges. 2021;19:815.
[PubMed: 33942514]
Kottner  J  et al. Prevalence of intertrigo and associated factors: a secondary data analysis of four annual multicentre prevalence studies in the Netherlands. Int J Nurs Stud. 2020;104:103437.
[PubMed: 32105975]  

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