When swimming, avoid lake vegetation and try to avoid morning dips, when the parasites are most active. This bumpy red rash, which resembles a scattering of mosquito bites, is NOT caused by blue green algae as is often thought, but by the larvae of a worm-like parasite passed between birds and snails and into the water. Here's what to look for and what you can do about it.
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#Bumps on legs that itch oregon skin#
The best way to avoid a rash is to stay out of water that is visibly fouled with algae and obey any posted health advisories, but if you do go for a dip, avoid swallowing water and be sure to rinse off or have a shower, then towel off thoroughly so your skin is dry. Applying a cool cloth, calamine lotion, aloe vera gel and over-the-counter anti-itch creams are the best ways to generally treat water rashes, but if symptoms of increased pain, swelling, warmth, redness (including red streaks), pus or fever worsen, see your doctor. "All of these rashes are treatable," said U of A dermatologist Jaggi Rao. The good news is, common rashes lurking in Alberta's lakes and rivers aren't harmful and usually go away on their own. "We know that some rashes like swimmer's itch occur each summer and can be contracted at pretty much every lake in Alberta," he said. Rashes caused by recreational waters tend to be under-reported because people rarely see a doctor for treatment, but they've always been around, said Patrick Hanington, a researcher with the University of Alberta's School of Public Health. What's going on?Ĭhances are, you've been exposed to something icky-either a parasite or bacteria-living in the water. You've been for a swim in the lake, and now you're scratching at a red, irritated rash.
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