Diagnosing swimmer's itch can be a challenge because the rash can resemble other skin problems, such as poison ivy. There are no specific tests to diagnose swimmer's itch.

Dec. 02, 2016
  1. Parasites: Cercarial dermatitis (also known as swimmer's itch). Centers for Disease Control and Prevention. http://www.cdc.gov/parasites/swimmersitch/faqs.html. Accessed Oct. 11, 2016.
  2. Auerbach PS, et al. Aquatic skin disorders. In: Wilderness Medicine. 6th ed. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.clincalkey.com. Accessed Oct. 11, 2016.