Cutaneous infections

Question 1

What is Staphylococcal scalded skin syndrome?

Answer 1

• A skin infection that causes peeling over the body. It looks like a huge burn
• Treatment: admit, emollients, IV flucloxacillin, supportive therapy
• Recovery withing 5-7 days

Question 2

What is eryipelas?

Answer 2

• A skin infections of the dermis layer but can go deeper into the fat
• Cause: group A strep or staph aureus in diabetes

Question 3

What is the difference between cellulitis and erysipelas?

Answer 3

Erysipelas: acute infection of dermis
Cellulitis: acute infection of deep dermis and subcutaneous fat

Question 4

What in tinea pedis?

Answer 4

AKA athletes foot

superficial: dermatophytes (tinea or ringworm) or yeasts
Deep: chromomycosis or sporotrichosis

Question 5

What is tinea cruris?

Answer 5

Infection involving the genital, pubic, perineal, and perianal skin

Causes: dermatophytes

Question 6

What are dermatophytes?

Answer 6

A pathogenic fungus that grows on skin, mucous membranes, hair, nails, feathers, and other body surfaces, causing ringworm and related diseases

Eg. Tinea barbae, tinea capitis, tinea croporis

Question 7

What is the treatment for dermatophyte infections?

Answer 7

• Topical antifungal Eg. miconazole nitrate
• Systemic antifungal Eg. terbinafine, itraconazole
• Tinea capitis treated with oral antifungals and ketoconazole shampoo
• Tinea capitis caused by Trichophyton tonsurans (highly infectious) screen family member

Question 8

How are scabies treated?

Answer 8

Permethrin cream or malathion

Everything that has been in contact needs to be washed a high temperature or frozen for a couple days