Impetigo in kids

Question 1

Describe impetigo

Answer 1

Highly contagious, honey crusted lesions around the face and extremities

Question 2

Pathogens

Answer 2

Strep pyogenes (group A)
Staph aureus

Question 3

RF

Question 4

Mx

Answer 4

Hydrogen peroxide + hygeine

Second line: topical fusidic acid
Topical mucipirocin

If extensive: oral fluclox or erythromycin

Question 5

When can kids return to school?

Answer 5

48 hours after antibiotic treatment, or after the lesions have crusted over

Question 6

Complications

Answer 6

Cellulitis, lymphangitis
Scarlet fever
Post strep glomerulonephritis
Staphylococcal scalded skin syndrome
Staphylococcal toxic shock syndrome (hypotension, rash, fever)
Post inflammatory scaring
Ecythema

Question 7

What is ecythema?

Answer 7

When you have an ulcer within impetigo

Question 8

Post strep glomerulonephritis is what type of hypersensitivity reaction and when does it present?

Answer 8

Type 3

Presents 2-6 weeks later

Question 9

If a child gets scarlet fever, how would they present?

Answer 9

Strawberry tongue
Desquamation of extremities
Sandpaper rash
Fever
Sore throat
Malaise

Question 10

Mx of scarlet fever

Answer 10

Oral penicillin V

If not, AZITHROMYCIN

NOTIFIABLE DISEASE

Question 11

Ivx of scarlet fever

Answer 11

Throat swab