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3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep. | 3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep. | ||
== Treatment == | |||
1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid) | 1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid) | ||
Revision as of 19:54, 25 September 2013
=== Tinea Versicolor ===
History and Physical
1. Hypopigmented or hyperpigmented lesions predominantly on the trunk caused by fungus Pityrosporum ovale (oval form) or obiculare (aka Malassezia furfur)
2. More common in areas of increased sebaceous glands
Diagnosis
1. Some demonstrate coppery-orange fluoresence under Woods Lamp
2. KOH wet prep (Spaghetti and Meatballs appearance)
3. Almost never cultured given difficult culture medium, benign course, and diagnostic KOH prep.
Treatment
1. First line topical treatment is ketoconazole (nightly application x 2 weeks) or selenium sulfide (10 minutes x bid)
2. Single dose 400mg ketoconazole PO or fluconazole 150-300mg PO per week x 2-4 weeks for more resistant cases or for easy-of-use
3. Griseofulvin is not effective