Erythrasma

(Corynebacterium minutissinum)

Erythrasma

Treatment guidelines:

• Topical imidazoles (miconazole,

clotrimazole, econazole etc)

Wood’s light: Coral-red fluorescence

Slapped cheek syndrome (Erythema infectiosum)

childhood

exanthem

associated with

human

parvovirus B19

Herpes inf.

• Oral Aciclovir

200mg x 5 a day

for 5 days

Herpes inf.Treatment:

• Oral or i.v aciclovir

Eczema herpeticum: HSV

infection on ground of atopic

dermatitis

Molluscum contagiosum (MC) – “water blisters”

Caused by a pox virus

Treatment:

• None

• Manual extrusion with fine

forceps

6-y-o asymptomatic girl

C/O a slowly growing

patch on her (L) side of

the face for 1/12

Fungal inf.

Fungal inf.

Tinea facialis

Erysipelas

Tinea corporis

Fungal inf.

Tinea capitis

Treatment for

dermatophytoses:

• Topical antifungal Rx for

tinea corporis, facialis

and pedis

• Systemic Griseofulvin /

terbinafine / itraconazole for

tinea capitis and unguium

1/12 old neonate presents

this rash for 1/52

Candida inf.

Rx: Topical antifungals

Pityr.

versicolor

• Wood’s light (yellow)

Treatment:

• ketoconazole shampoo

• Clotrimazole cream

Scabies sarcoptes scabies

Scabies (sarcoptes scabies)

Predilection sites: VERY IMPORTANT FOR THE DIAGNOSIS

Image from: Fitzpatrick's

Color Atlas & Synopsis

of Clinical Dermatology

4th ed. 2001

Management & treatment guidelines:

• Permethrin 5% cream

• Treat head & neck regions in infants

• Treat all family members in the same time

• In Latin America: Ivermectin tbs

Rashes associated

with systemic disease

18-y-o girl C/O malaise, low-

grade fever and tender,

dusky red deep nodules for

1/12Erythema

nodosum

Acute inflammation of the

dermis & fat tissue

Most common causes (in UK):

streptococcal infection (throat),

sarcoidosis, idiopathic, drugs

Treatment:

1st line

• Treat underlying cause

• Symptomatic (NSAIDs, bed rest)

2nd line

• Colchicine

• Prednisone

Management & treatment guidelines:

Erythema multiforme (EM)

Def.: A cutaneous reaction to a variety of antigenic stimuli

Mild: target-like lesions

Management & treatment guidelines:

• Symptomatic measures (oral antihistamines + top. steroids)

• Oral ATBs (e.g. Erythromycin in case of Mycoplasma

infection)

• Oral aciclovir if associated with HSV infection (also for

recurrent EM >6 attacks/year) 400mg BD x 6/12 to 2 years