dermatitis

Question 1

dermatitis - ddx to consider, and its presentation

Answer 1

atopic dermatitis
seborrhoeic dermatitis
discoid dermatitis, nummular dermatitis, nummular eczema 
asteatotic dermatitis
venous dermatitis 
 genital dermatitis
hand and/or foot dermatitis
lichen simplex
contact dermatitis

Question 2

contact dermatitis - types, and its prevalence

Answer 2

• allergic (20%) means its immune driven, irritant (80%) means it irritates surface of skin. There is a difference, and RACGP cares about these differences

Question 3

another name for atopic dermatitis

Answer 3

eczema

Question 4

pathogen implicated in seborrhoeic dermatitis

Answer 4

malassezia furfur

Question 5

appearance of asteatotic dermatitis

Answer 5

dry skin looking like paving

Question 6

common causes of irritant contact dermatitis

Answer 6

soap, shampoo, bubble baths
rough clothing, wool and sheepskin, carpet, sand, grass
heavily chlorinated pools and spas

tea tree oil

Question 7

dermatitis - topical treatment for

face, axilla, groin

Answer 7

hydrocortisone 1% ointment OD until skin clears

Question 8

seborrhoeic dermatitis on face, flexures and scrotum - topical management

Answer 8

hydrocortisone 1%/clotrimazole 1% BD for 2 weeks until resolves