Rip currentschannels of water moving rapidly away from shorecan occur at any beach, including larger lakes, says Chris Brewster, president of the United States Lifesaving Association.
If you’re swept away, don’t make a beeline for landyou’ll exhaust yourself swimming against the current. Remain calm and swim parallel to the shore to get out of the current. Or just tread water: The current will eventually peter out.
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Soothe a jellyfish sting
Despite what you may have seen on TV, don’t pee on the affected area. Instead, Brewster advises: Cover your hand with a towel and pull off any tentacles lingering on your skin, then rinse with ocean water. (Fresh water can worsen the sting.)
Seek immediate medical attention if you have any reaction beyond pain at the site of the sting, such as hives or shortness of breath.
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Dry up swimmer's ear
To prevent this infection, caused by water trapped in the ear canal, dry out your ears with drops like Swim-Ear ($5; drugstores). Or make your own with equal parts white vinegar and alcohol. After a swim, place a few drops in your ear, then let drain.
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Prevent a No-See-Um attack
Sand mites, tiny insects that reside in sand, can cause annoying, itchy bites. Ward them off with a mild insect repellent; try Burt’s Bees Herbal Insect Repellent ($8; BurtsBees.com).
If you do get nibbled, apply Benadryl cream or calamine lotion to calm the itch, Dr. Wu says. Don’t scratchyou could cause an infection.
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