Antimicrobial Resistance in Dermatology

Question 1

What is the most common cause of superficial pyoderma?

Answer 1

Staphylococcus pseudointermedius

Question 2

Selection of antibiotics for pyoderma…

Answer 2

Empirical choice

• Suspected pathogen
• Wet lesions may be G-ve
• Local knowledge of sensitivity patterns

C+S

Question 3

Treatment for superficial pyoderma…

Answer 3

Topical therapy 
Cefalexin @ 22mg/kg
Co-amoxiclav 
Clindamycin
Topical antibacterial shampoo

Question 4

What is MRSP pyoderma? What is the treatment?

Answer 4

Clinical infections of S. pseudointermedius 
Treatment narrower:
C+S
- Amikacin
- Chlorampenicol 
- Rifampicin