If you get stung, see a lifeguard for first aid. Keep children away from beached jellyfish. If you see a jellyfish on the beach, don’t touch it as its tentacles can cause a painful sting even if the animal is dead. It has a purplish body and is commonly found on windward (east) shores as the prevalent northeastern tradewinds blow these creatures close to shore. Similar to a jellyfish, the Portuguese man-of-war also causes a painful sting. There are many other ocean hazards besides jellyfish, including strong currents, rip tides, sharp coral, etc. This is when warning signs are usually posted on many Oahu beaches (warning signs are generally only posted on popular beaches).ĭon’t swim at remote and unguarded beaches for your own safety. They usually arrive around 9-12 days after a full moon (but occasionally they have been observed on off-cycle days as well). Their arrival on Hawaii’s beaches is quite predictable. The box jellyfish is most commonly found on Hawaii’s leeward (west) and south shores. The most common type of jellyfish in Hawaii is the Carybdea alata and Carybdea rastonii, also known as box jellyfish because of its squared body. The report comes to the conclusion that seawater, soda, urine, alcohol and ethanol had no effect, and that freshwater poured over a sting or icing the area could make things worse. A hot water compress can be used to treat the sting's effects.
According to the researchers, vinegar is effective in preventing more venom from being released into the skin, as is a product called Sting No More, which has a venon-inhibiting effect. A team of University of Hawaii researchers recently published a report in the journal Toxins about the best treatment for box jellyfish stings.
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