Cellulitis Grades

Cellulitis and Other Skin Infections Cellulitis and Erysipelas Cellulitis Grades

The terms cellulitis and erysipelas are often used interchangeably and clinical differentiation may be difficult. In both conditions, patients may be systemically well or unwell.

Cellulitis severity is graded I-IV (Table 1).

**Table 1:** Cellulitis severity grades
Class	Signs/symptoms
Class I	No systemic toxicity and no uncontrolled comorbidity
Class II	Systemically ill OR comorbidity complicating infection
Class III	Signs of marked systemic illness (confusion, tachycardia, hypotension) or severe comorbidity
Class IV	Sepsis syndrome or life-threatening infection such as necrotising fasciitis

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