6.3. Skin and Soft Tissue Infection - Cellulitis

Question 1

What type of infection if Cellulitis?

Answer 1

Diffuse skin infection involving:

1. Deep Dermis
2. Subcutaneous Fat

Question 2

How is Cellulitis described?

Answer 2

A spreading erythematous area with no distinct borders

Question 3

What is the most common causative organism of Cellulitis?

Answer 3

1. Streptococcal Pyogenes (common)
2. Staphylococcal Aureus (uncommon)
3. H. Influenzae (rare)
4. Other (Rare)

Question 4

What are the symptoms of Cellulitis?

Answer 4

1. Erythematous Area with no distinct borders
2. Fever is common
3. Regional Lymphadenopathy
4. Regional Lymphangitis
5. Possible source of Bacteraemia

Question 5

What should be looked for in Cellulitis?

Answer 5

1. Predisposing Factors:
2. a) Diabetes Mellitus
3. b) Tinea Pedis
4. c) Lymphoedema
5. Lymphangitis
6. Lymphadenitis

Question 6

What is the treatment of Cellulitis?

Answer 6

A combination of anti-staphylococcal and anti-streptococcal antibiotics
Note - in extensive disease, admission of I.V. antibiotics and rest may be needed