How to Treat a Jellyfish Sting (and, no, THAT doesn’t work!)

In medical terms, there are three types of pain – pain, excruciating pain and a jellyfish sting.

Okay, so it’s not all that bad. It’s more about the surprise factor: One minute you’re frolicking in the sea without a care in the world, and the next minute, you get zapped by a creature that you might never even see.

While jellyfish are carnivores, they don’t go around looking for random humans to attack. Their sting is essentially a defense mechanism and a way to capture their prey. Humans typically get stung when they accidentally brush against or step on a jellyfish.

Here’s a list of five sea jellies (or jelly-like creatures) that you might encounter in the Gulf of Mexico:

Moon Jelly – Aurelia aurita

These alien-looking creatures are the most common species found in these parts. Named for their translucent, moonlike circular shape, they are easily recognizable by the four petal-like reproductive organs that can be seen through their bell. Their stinging cells aren’t strong enough to penetrate human skin and only cause a mild irritation.

Atlantic Sea Nettle – Chrysaora quinquecirrha

The Atlantic sea nettle varies in color based on where it is found. In the Chesapeake Bay, the sea nettle is an opaque white, while in the Atlantic Ocean, it can have a white, red or brown coloration. Their tentacles contain stinging cells that are used to paralyze their prey.

Cannonball Jellyfish –  Stomolophus meleagris

The cannonball jellyfish, is a species of jellyfish that – you guessed it – resembles a cannonball in both shape and size. The cannonball jelly is essentially non-harmful to humans and is even considered a delicacy in some countries. Interestingly, it constitutes the main food source for the endangered leatherback sea turtle.

Pink Meanie – Drymonema larsoni

This species was first observed in the year 2000, in the Gulf of Mexico. When scientists took a closer look, they noticed that this jelly was feeding on jellyfish, entangling them in tentacles that can be up to 70-feet long. It inhabits the coastal Caribbean, the U.S. Atlantic, the Gulf of Mexico and perhaps other parts of the world.

Comb Jellies – Ctenophoroa

Variously known as sea gooseberries or sea walnuts, Comb Jellies are transparent, jelly-like invertebrates with bright, iridescent color bands. Comb jellies lack stinging cells, which makes them harmless to humans. In order to capture prey, their ctenophores possess sticky cells called colloblasts. In a few species, special cilia in the mouth are used for biting gelatinous prey.

One Jellyfish Sting = Thousands of Tiny Stingers

Jellyfish have thousands of tiny stingers along their tentacles called cnidoblasts, which house nematocysts containing stinging threads. When a jellyfish comes in contact with another object, pressure inside the nematocyst causes the threads to uncoil. When triggered by touch, the nematocysts shoot out and can penetrate human skin in the blink of an eye.

The degree of pain and reaction to a jellyfish sting can depend on the species – larger jellyfish have larger cnidoblasts that can penetrate deeper into the skin, and some jellyfish have stronger venom than others.

So you got stung by a jellyfish… Now what?

Thanks to a popular episode of the TV sitcom FRIENDS, there’s a huge misconception that peeing on a jellyfish sting will ease the symptoms. The truth is, human urine is neither sanitary not an effective medical treatment, and should be avoided for obvious reasons. Treating the area of the sting with salt water from the ocean or a hot water rinse is a safer and more effective method of treatment.

The best thing to do is to rinse the area with vinegar, which is a weak acid and helps keep the stingers from firing. You can also use tweezers to pluck away any tentacles that are still clinging to the skin. Avoid rubbing or scraping the affected area, which will further irritate the skin and only make matters worse.

Here are a few precautions you can follow to avoid getting stung by a jellyfish:

– Do some basic research before you get in the water. Speak to locals and the lifeguards on duty and find out if they often encounter jellyfish in the area.

– Keep a small plastic bottle of vinegar and a pair of tweezers in your beach bag.

– Wear a protective rash guard or bodysuit in the water to reduce your chances of being stung. Such protective clothing also helps protect you against the sun.

– When wading through shallow water, drag your feet and shuffle to disturb the sand and avoid catching a jellyfish by surprise.

– Sure, they’re beautiful creatures, but avoid picking up a jellyfish that has washed up on the shore. Even dead jellyfish retain the menacing ability to deploy venom from their tentacles.

– To avoid the risk of drowning, get out of the water as soon as you realize you’ve been stung.

– Do not apply ice or ice packs to a sting. A hot (but not scalding) shower or soak may help lessen pain.

– Jellyfish sting symptoms, especially from more dangerous species, can escalate quickly. Therefore, call 911 immediately if someone has been stung and is showing signs of an allergic reaction: shortness of breath, hives, wheezing, dizziness, nausea /vomiting and/or muscle spasms.

– Guarded beaches are more likely to warn visitors about jellyfish. Look purple warning flags, which indicates there’s “dangerous marine life” in the water.

Follow these simple precautions, use some common sense, and you’ll have a wonderful sting-free time at the beach.

(P.S. But seriously, put on sunscreen — that’s the most important tip.)

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