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Other namesTrichosporosis[1]: 312 

Piedra is a hair disease caused by a fungus, which causes formation of nodules on the hair shaft.[2][3]

Types include:[citation needed]


  1. ^ James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
  2. ^ "Piedra" at Dorland's Medical Dictionary
  3. ^ Veasey JV, Avila RB, Miguel BAF, Muramatu LH. White piedra, black piedra, tinea versicolor, and tinea nigra: contribution to the diagnosis of superficial mycosis. An Bras Dermatol. 2017 May-Jun;92(3):413-416. doi:10.1590/abd1806-4841.20176018 PMID 29186263

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