Gross ‘Duck Mites’ In The Columbia Make You Itch But It’s Not What You Think

Have you ever heard of "duck mites" and wondered what they are? Here’s a little secret: when people talk about them, they’re usually not talking about actual mites on ducks! (Thank goodness because that's just gross!)

Instead, they're likely referring to the pesky cause of Swimmer's Itch, also known as cercarial dermatitis. (Also gross)

Imagine microscopic larvae, barely visible to the naked eye, swimming in freshwater.

These aren't just any larvae; they're the immature stage of parasitic flatworms with a surprisingly complex life cycle.

Adult worms live in the bloodstream of waterfowl like ducks and geese.

Their eggs pass into the water, hatch, and infect specific types of snails. These snails then release the tiny larvae, called cercariae, back into the water, hoping to find their next bird host.

Here’s where we come in: sometimes, these little swimmers mistake us for their intended targets and burrow into human skin.

The good news is, they can’t survive in humans and quickly die.

The not-so-good news? Our bodies react with an allergic response, causing an incredibly itchy rash – Swimmer's Itch! Symptoms range from tingling to small, red bumps that can last over a week.

While uncomfortable, Swimmer's Itch usually clears up on its own.

Over-the-counter creams and cool compresses can help manage the itch. To avoid it, be mindful of where you swim, especially in marshy areas, and always towel off vigorously after a dip.

So next time you hear "duck mites," you'll know the real story behind this common, albeit annoying, summer skin mystery!

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