Herpes labialis

Background

• Cause of the common "cold sore"

Clinical Features

Herpes labialis

• typically umbilicated vesicles, painful, that unroof and crust over
• typically localized to the vermillion border

Differential Diagnosis

Herpes Simplex Virus-1

• Eczema herpeticum
• Herpes gingivostomatitis
• Herpes keratitis
• Herpes labialis (cold sore)
• Herpes simplex encephalitis
• Herpetic whitlow