Cellulitis

Question 1

Which layers of the skin does cellulitis involve?

Answer 1

Lower dermis/subcutaneous fat

Question 2

what is the clinical manifestation of cellulitis?

Answer 2

Unilateral erythematous flat lesion
Often with vesicles poorly demarcated, not uniformly raised
Tender

Question 3

Which sites does cellulitis normally infect?

Answer 3

Commonly on legs

Question 4

What are the systemic symptoms (uncommon)?

Answer 4

Fever
Leukocytosis
Lymphadenopathy

Question 5

What is the investigation for cellulitis and erysipelas?

Answer 5

Clinical diagnosis, rarely do skin or blood culture
If necrotising fasciitis is suspected, defo immediate biopsy and frozen section, and histopathology

Question 6

What is the management for cellulitis and erysipelas?

Answer 6

First line - penicillin, cloaxicillin or cefazolin
Second line - clindamycin, cephalexin
If allergic to penicillin use erythromycin