Sycosiform tinea barbae caused by Trichophyton rubrum
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Updated: Jun 27, 2026

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Published on: March 1, 2024
Marcus Henrique Xavier1, Daniel M Torturella, Fernanda Valente Rehfeldt
1Serviço de Dermatologia, Universidade Federal Fluminense, Hospital Universitário Antônio Pedro, Niterói, Rio de Janeiro, Brasil. marcus_hx@hotmail.com
Abstract:
Tinea barbae is an uncommon superficial dermatophyte infection of the beard and moustache areas. It was more frequently observed in the past, before single-use razors became available. In most cases, the zoophilic ectothrix Trichophyton mentagrophytes and Trichophyton verrucosum are responsible for this type of infection. Its clinical presentation is variable; it can mimic many other skin disorders such as sycosis, iododerma, contact dermatitis, perioral dermatitis, and actinomycosis. We report a case of tinea barbae caused by an uncommon agent Trichophyton rubrum, misdiagnosed as sycosis, and review the approach and management of the disease.
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