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Tinea versicolor (also pityriasis versicolor) is a condition characterized by a skin eruption on the trunk and proximal extremities. [1] The majority of tinea versicolor is caused by the fungus Malassezia globosa , although Malassezia furfur is responsible for a small number of cases.
[3] [6] Superficial fungal infections include common tinea of the skin, such as tinea of the body, groin, hands, feet and beard, and yeast infections such as pityriasis versicolor. [7] Subcutaneous types include eumycetoma and chromoblastomycosis, which generally affect tissues in and beneath the skin.
Tioconazole is an antifungal medication of the imidazole class used to treat infections caused by a fungus or yeast. It is marketed under the brand names Trosyd and Gyno-Trosyd (Pfizer, later Johnson & Johnson and now Kenvue).
This includes candidiasis, blastomycosis, coccidioidomycosis, cryptococcosis, histoplasmosis, dermatophytosis, and tinea versicolor. [5] It is also used to prevent candidiasis in those who are at high risk such as following organ transplantation, low birth weight babies, and those with low blood neutrophil counts. [5]
Tinea capitis: fungal infection of the scalp and hair; Tinea faciei (face fungus): fungal infection of the face; Tinea barbae: fungal infestation of facial hair; Other superficial mycoses (not classic ringworm, since not caused by dermatophytes) Tinea versicolor: caused by Malassezia furfur; Tinea nigra: caused by Hortaea werneckii
Treatment typically involves antibiotics for bacterial infections and antifungals for fungal infections. If there is pus formation, incision and drainage may be necessary. [2] Paronychia is commonly mistakenly used interchangeably with herpetic whitlow or felon, which are distinct conditions. [2]
Malassezia is the sole genus in family Malasseziaceae, which is the only family in order Malasseziales, itself the single member of class Malasseziomycetes. [17]Due to progressive changes in their nomenclature, some confusion exists about the naming and classification of Malassezia yeast species.
Selenium sulfide applied to dry scalp or skin is an inexpensive well tolerated treatment to balance skin's biome and works by drying fungus like tinea versicolor that can coexist with acanthosis and exacerbate discoloration. Acanthosis nigricans maligna may resolve if the causative tumor is successfully removed. [22]