Impetigo and Staphylococcal Skin Infections

A 4-year-old boy presents with fluid-filled blisters on the neck and axillae that rupture easily, leaving a thin, varnish-like crust. Gram stain confirms Gram-positive cocci. What is the drug of choice for bullous impetigo?

A 6-year-old child presents with honey-crusted lesions on the face and exposed areas of the body for 3 days. The lesions are non-bullous and painless. Which investigation is most appropriate to confirm the diagnosis and guide antibiotic therapy?

A 6-year-old child presents with honey-crusted lesions on the face and exposed areas of the body. Gram stain shows Gram-positive cocci in clusters. What is the drug of choice for non-bullous impetigo?

A 4-year-old girl presents with bullous impetigo (flaccid blisters that rupture easily) on the lower abdomen and thighs. The causative organism is Staphylococcus aureus. What is the drug of choice for bullous impetigo?

Regarding the clinical features and microbiology of impetigo, all of the following statements are correct EXCEPT: