fungal

Question 1

What are the different types of tinea infection?

Answer 1

Tinea..
capitis
pedis
corpis
cruris 
onychomycosis 
manuum

Question 2

Investigations for them?

Answer 2

scrapings from the leading edge of the skin
nail clippings, a hair sample
Wood’s light: UV light examination

Question 3

Differentials for tinea infections

Answer 3

discoid eczema, nummular dermatitis
psoriasis
candidiasis
erythrasma

Question 4

What are the azoles?

Answer 4

Imidazole

Triazole

Question 5

Describe the use of an imidazole

Answer 5

Ketoconazole: topical therapy, not useful for systemic because of anti-testosterone side effects- gynacomastia

Question 6

Describe the use of a triazole

Answer 6

Fluconazole and itraconazole: systemic therapy with few side effects therefore useful for nail infections

Question 7

What treatment can you give to tinea in under twelves

Answer 7

Griseofulvin

Question 8

Before prescribing terbinafine what should you do?

Answer 8

Check LFTs

Question 9

What is erythrasma?

Answer 9

Bacterial infection, tends to be found under armpits, groin creases.
Rx with erythromycin

Question 10

How do you treat most skin infections?

Answer 10

Azoles (micronazole) or topical terbinafine

Question 11

Treatment for candidiasis?

Answer 11

Nystatin or Amphotericin B

Could also use topical Clotrimazole or fluconazole PO