Let us know if you’ve encountered swimmer’s itch, and access our latest swimmer’s itch research

Use our survey to report details about where and when you contracted swimmer’s itch
Learn about our international research program focused on understanding swimmer’s itch-causing parasites and how to control them
Use our interactive map to identify exactly where you, and others, contracted swimmer’s itch

Have you got the itch?

Swimmer’s Itch is the common name for a rash you can develop after swimming in many lakes around the world. The itch is caused by free-swimming larvae of parasites, called schistosomes, accidentally penetrating your skin while you are in the water. This causes an allergic reaction to occur and results in a rash to form that can last up to two weeks. By filling out the survey with information related to your recent case of swimmer’s itch, you can help us inform others of where swimmer’s itch outbreaks are occurring. The information from the survey is used to update a self-report map. The map is interactive and highlights recent swimmer’s itch reports, so you can keep up-to-date with the latest outbreaks.