Dermatology - Fungal

Question 1

Tinea Capitus

Answer 1

Griseofluvin 20-25 mg/kg/d for 6-8 wks
Others:
itraconazole 4-6wk, terbinafine 2-2 wk
Selenium sulfide reduces spread

Question 2

Tinea Corporis Topical

Answer 2

Terbinafine, Ketoconazole, Clotrimazole, Oxiconazole - 2 wks topical
Naftifine - 4 wks topical

Question 3

What are topical allylamines?

Answer 3

naftin, lamisil (terbinafine)

Question 4

What are topical azoles?

Answer 4

ketoconazol, clotrimazole, oxiconazole

Question 5

Tinea Corporis Systemic

Answer 5

GRISEOFULVIN 10mg/kg/d for 4 weeks
FLUCONAZOLE 50-100mg/d or 150mg once weekly for 2-4 weeks
ITRACONAZOLE 200mg/d x 1 week, or 100mg/d x 2 weeks

Question 6

When do you give systemic for tinea corporis?

Answer 6

extensive, immunosuppressed, resistant to topicals or comorbid tinea

Question 7

Tinea Cruris

Answer 7

Naftifine 1% cream/gel (Naftin) 
Terbinafine topical (Lamisil)
Ketoconazole topical (Nizoral)
Clotrimazole 1% cream (Mycelex, Lotrimin)
Oxiconazole 1% cream (Oxistat)

Question 8

Tinea Pedis

Answer 8

Naftifine 1% cream/gel (Naftin) BID x 4 weeks

Terbinafine topical 1% (Lamisil) x 2-3 weeks

Question 9

Tinea Versicolor

Answer 9

SELENIUM SULFIDE 2.5% LOTION OR SHAMPOO, applied daily (for 10 minutes then rinse) x 2weeks
KETACONAZOLE SHAMPOO or TOPICAL FOAM
Fluconazole 300mg PO weekly for 2 weeks
Itraconazole 200mg PO daily for 5-7 days

Question 10

What is the tx to prevent recurrence of tinea versicolor?

Answer 10

fluconazole or itraconazole 1 tablet a month