KENNEWICK, Wash. – The Benton-Franklin Health District (BFHD) has issued a warning about swimmer’s itch in parts of the Columbia River.
BFHD reports several people have reported symptoms consistent with the condition after being in the water.
Swimmer’s itch, also known as cercarial dermatitis, is caused by a parasite that typically infects birds and mammals but can mistakenly burrow into human skin, leading to an allergic reaction.
Dr. Steve Krager, Health Officer at BFHD, said the condition is not contagious and usually resolves on its own, but it can be uncomfortable.
Common symptoms include tingling, burning, or itching, followed by a red rash or small blisters.
To minimize risk, avoid swimming in affected areas, stay away from marshy shorelines, dry off immediately after swimming and apply waterproof sunscreen.
Feeding birds near swimming areas should also be avoided, as they play a role in the parasite’s life cycle, BFHD added.
