What is Intertrigo?

Intertrigo is inflammation of skinfolds caused by skin-on-skin friction. It is a common skin condition affecting opposing cutaneous or muco-cutaneous surfaces. Intertrigo may present as diaper rash in children. The condition appears in natural and obesity-created body folds. The friction in these folds can lead to a variety of complications such as secondary bacterial or fungal infections. The usual approach to managing intertrigo is to minimize moisture and friction with absorptive powders such as cornstarch or with barrier creams. Patients should wear light, nonconstricting, and absorbent clothing and avoid wool and synthetic fibers. Physicians should educate patients about precautions with regard to heat, humidity, and outside activities. Physical exercise usually is desirable, but patients should shower afterward and dry intertriginous areas thoroughly. Wearing open-toed shoes can be beneficial for toe web intertrigo. Secondary bacterial and fungal infections should be treated with antiseptics, antibiotics, or antifungals, depending on the pathogens.

Intertrigo is mainly a mechanical irritation resulting from skin constantly rubbing on skin. When heat and sweating are added, the skin becomes soggy, inflamed and often infected. Intertrigo can vary in appearance from white, soft skin to a bright red color. There can be swelling, blisters and drainage of fluid. The involved skin is itchy, tender or both.