NON VIRAL INFECTIOUS RASH

Question 1

Approach to Impetigo

Answer 1

Group A Strep
Staph

Red macules and papules -> vesicles and pustules-> golden crust

Mupirocin ointment 2% tid

Larger infections:
Cephalexin 12.5 - 25 mg / kg / dose qid
TMP-SMX 5 mg / kg / dose bid
Clindamycin 10 mg / kg / dose tid

Question 2

Approach to Bullous Impetigo

Answer 2

Staph

Superficial, thin walled bullae

Wound cleaning
Mupirocin ointment 2%
Clindamycin 10 mg / kg / dose tid
TMP-SMX 5 mg / kg / dose bid

Question 3

Scarlet Fever

Answer 3

Group A Strep

Exudative pharyngitis
Fever
Rash - red and punctate, blanches with pressure, rough sandpaper feel

Tongue has a white coating with red papillae (white strawberry tongue)

Penicillin V 16 mg / kg / dose tid

OR

Clindamycin 10 mg / kg / dose tid