Cercarial Dermatitis

**Semantic type:** Disease or Syndrome

**Definition:** A pruritic rash that occurs as consequence of cercariae penetration of the skin after aquatic exposure to animal (usually avian) schistosomes, often in countries non-endemic to human schistosomiasis. The condition is non-invasive and responsive to symptomatic treatment.

**Synonyms:** - Duck Itch - Lake Itch - Swimmer's Itch