Tinea Versicolor Questions & Answers

Updated: Jun 09, 2020
  • Author: Christopher Sayed, MD; Chief Editor: Dirk M Elston, MD  more...
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Questions & Answers

Overview

What is tinea versicolor (pityriasis versicolor)?

What causes tinea versicolor (pityriasis versicolor)?

What factors increase the risk of developing tinea versicolor (pityriasis versicolor)?

In addition to tinea versicolor (pityriasis versicolor), what other diseases are caused by Malassezia infection?

Which factors predispose to tinea versicolor (pityriasis versicolor)?

When does Malassezia infection cause tinea versicolor (pityriasis versicolor)?

What is the role of lipids in the pathogenesis of tinea versicolor (pityriasis versicolor)?

What is the role of amino acids in the pathogenesis of tinea versicolor (pityriasis versicolor)?

What is the role of the immune system in the development of tinea versicolor (pityriasis versicolor)?

What is the role of oxidative stress in the pathogenesis of tinea versicolor (pityriasis versicolor)?

What is the role of topical steroids in the pathogenesis of tinea versicolor (pityriasis versicolor)?

What is the prevalence of tinea versicolor (pityriasis versicolor) in the US?

What is the international prevalence of tinea versicolor (pityriasis versicolor)?

Does the incidence of tinea versicolor (pityriasis versicolor) vary by race?

Is tinea versicolor (pityriasis versicolor) more common in men or women?

Is tinea versicolor (pityriasis versicolor) more common in certain age groups?

What is the prognosis of tinea versicolor (pityriasis versicolor)?

What information should be given to reassure patients with tinea versicolor (pityriasis versicolor)?

Presentation

How does tinea versicolor (pityriasis versicolor) affect different areas and types of skin?

Do tinea versicolor (pityriasis versicolor) skin lesions tan?

Does tinea versicolor (pityriasis versicolor) cause pruritus?

How common is family history of tinea versicolor (pityriasis versicolor)?

What are the physical exam findings of tinea versicolor (pityriasis versicolor) and what is the role of a dermatoscope in diagnosis?

What are the most common physical findings of tinea versicolor (pityriasis versicolor)?

What are the physical findings of the inverse form of tinea versicolor (pityriasis versicolor)?

What are the physical findings of tinea versicolor (pityriasis versicolor) of the hair follicles?

What are the physical findings of papular tinea versicolor (pityriasis versicolor)?

What is the typical presentation of atrophying tinea versicolor?

DDX

What are the differential diagnoses for Tinea Versicolor?

Workup

Is an ultraviolet black light (Wood lamp) used to diagnose tinea versicolor (pityriasis versicolor)?

What is the role of a potassium hydroxide (KOH) exam in the diagnosis of tinea versicolor (pityriasis versicolor)?

What is the role of culture in the diagnosis of tinea versicolor (pityriasis versicolor)?

What is the role of testing in the diagnosis of tinea versicolor (pityriasis versicolor)?

What are the histologic findings of tinea versicolor (pityriasis versicolor)?

Treatment

What should a patient with tinea versicolor (pityriasis versicolor) be informed about its potential for contagiousness, permanence, and recurrence?

Which topical agents are effective for the treatment of tinea versicolor (pityriasis versicolor)?

What are the risks of oral ketoconazole for the treatment of tinea versicolor (pityriasis versicolor)?

Which oral antifungal agents are effective in the treatment of tinea versicolor (pityriasis versicolor)?

Does oral therapy for tinea versicolor (pityriasis versicolor) prevent recurrence?

What should be considered before selecting oral antifungal agents for the treatment of tinea versicolor (pityriasis versicolor)?

Are dietary changes beneficial in the treatment of tinea versicolor (pityriasis versicolor)?

How can tinea versicolor (pityriasis versicolor) recurrence be prevented?

Medications

What types of medications are effective in the treatment of tinea versicolor (pityriasis versicolor)?

Which medications in the drug class Antifungals are used in the treatment of Tinea Versicolor?