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infectious eczematoid dermatitis, tinea pedis, autoeczematization, id reaction
Infectious eczematoid dermatitis (IED) is defined as an acute, eczematous eruption that occurs secondary to autosensitization to purulent drainage from a primary infected site. The condition is believed to develop when bacterial products, most often the result of Staphylococcal or Streptococcal species, act as haptens and stimulate an immune response. IED typically manifests as a plaque with associated vesicles and pustules surrounding drainage from a central infectious source, or as oozing, erythema, crusting, and scaling spreading peripherally from a central infectious source. Management of IED includes both targeting the causative primary infection and suppressing the immune response producing a hypersensitivity reaction. This report details two cases. Case 1 describes a common presentation of tinea pedis. Case 2 is that of a 28 year-old-male who presented with an acute onset tender, pruritic, weeping rash after wearing boots for two straight days, and who was subsequently diagnosed and treated for IED.
 Gupta AK, Skinner AR, Cooper EA. Interdigital tinea pedis (dermatophytosis simplex and complex) and treatment with ciclopirox 0.77% gel. Int J Dermatol. 2003;42 Suppl 1:23–27. doi:10.1046/j.1365-4362.42.s1.1.x
 Leyden JJ, Kligman AM. Interdigital athlete's foot. The interaction of dermatophytes and resident bacteria. Arch Dermatol. 1978;114(10):1466–1472. doi:10.1001/archderm.114.10.1466
 Youssef N, Wyborn CH, Holt G. Antibiotic production by dermatophyte fungi. J Gen Microbiol. 1978;105(1):105–111. doi:10.1099/00221287-105-1-105
 Kates SG, Nordstrom KM, McGinley KJ, Leyden JJ. Microbial ecology of interdigital infections of toe web spaces. J Am Acad Dermatol. 1990;22(4):578–582. doi:10.1016/0190-9622(90)70075-s
 Canavan TN, Elewski BE. Identifying Signs of Tinea Pedis: A Key to Understanding Clinical Variables. J Drugs Dermatol. 2015;14(10 Suppl):s42–s47.
 Yamany T, Schwartz RA. Infectious eczematoid dermatitis: a comprehensive review. J Eur Acad Dermatol Venereol. 2015;29(2):203–208. doi:10.1111/jdv.12715
 Engman MF. An infectious form of an eczematoid dermatitis. St. Louis Courier of Medicine 1902; 27: 401-414.
 Storan E, McEvoy M, Wetter D, et al. Experience with the dermatology inpatient hospital service for adults: Mayo Clinic, 2000–2010. J Eur Acad Dermatol Venereol. 2013;27:1360-1365.
 Slatkin MH. Local use of bacitracin. J Invest Dermatol 1948; 10: 179-188.
 Weinstein A, Berman B. Topical treatment of common superficial tinea infections. Am Fam Physician. 2002;65(10):2095–2102.
 McDaniel WE, Tamura J. Auto-sensitization in infectious eczematoid dermatitis. AMA Arch Derm Syphilol. 1950;62(5):703–704.