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Contact with a jellyfish can trigger an uncomfortable skin rash. A lot of jellyfish that take place on our coast are relatively safe. But the Kompaskwal and Blue hair jellyfish, which happen on our coast from spring to autumn, can still trigger a great deal of annoyance.

In some (sub) tropical locations there are jellyfishes that can be extremely harmful and even fatal, such as the box jellyfish or seaweed (Cubozoa), specifically in the Pacific Ocean and the Indian Ocean (Australia, Thailand, the Philippines, but also in the Caribbean). and Florida). Also the Atlantic sea nettle (Chrysaora quinquecirrha), which occurs on the east coast of The United States and Canada, can trigger severe problems.

Likewise some exotic jellyfish that sometimes emerge on our coast, such as the Japanese cross jellyfish, the Yellow cross jellyfish and the Pearl jellyfish, can trigger major problems.

Are jellyfish harmful?

The responses that happen after contact with a jellyfish are the outcome of the discharge of thousands of microscopic capsules, the nettle cells (the nematocysts). These nettle cells are usually located on the tentacles, however often also on the hat. Each nettle cell consists of a thin, coiled tube filled with microscopically little needles that inject toxin into the skin when in contact with the skin.

The seriousness of the grievances is figured out the kind of venom that varies from jellyfish to jellyfish, and the quantity of toxin that has been injected.

The reaction is usually limited to that part of the skin that has touched with the jellyfish. However often generalized complaints or an allergy can occur.

Regional response
– Skin rash: red areas, little red bumps and/ or blisters; sometimes red stripes.
– Itching, burning or tingling experience.
– Discomfort, moderate to extremely extreme.

The stinging and stinging feeling can last for an hour, the itch definitely a minimum of 24 Hr, often much longer.

The sores can leave scars through pigmentation spots.

General signs

The quail toxin can sometimes cause basic signs. This occurs particularly in jellyfish from (sub) tropical locations, however likewise in some jellyfish that occur sporadically on our coast, such as the Japanese cross jellyfish and the Parelkwal.

– Headache, stomach pain
– Muscle cramps, joint discomfort
– Breathing issues,
– Dizziness
– Queasiness, throwing up


Some individuals may have an allergic reaction to a jellyfish sting. Poison of jellyfish is sensitizing, which means that repeated contact can cause an allergy. Cross reactions (in between different types of jellyfish) are also possible.

– Muscle cramps, muscle pain
– Strong swelling
– runny nose, watery eyes
– Breathing problems
– cardiac arrhythmias, high blood pressure drop
– Shock, loss of consciousness.

Prevent jellyfish stings

– Do not swim if jellyfish has been identified.
– Do not touch the jellyfish that have been cleaned up on the beach. The nettle cells present in the arms can still be active.

s to deal with a jellyfish sting?

– Leave the water as quickly as possible after a jellyfish sting.
– Lowers pain immersion or showering in hot water (approximately 45 ° C) for 20 to Thirty Minutes. You can also use a hot pack or hot compresses. The proteins in the toxin are made harmless heat.
– If no warm water is offered, wash the skin with seawater. Never ever rinse with fresh water, since that simply activates the nettle cells.
– If no hot water or seawater is readily available, you can also eliminate the pain cooling the impacted skin with, for example, ice or a cold pack. Do not hold ice or a cold pack straight versus the skin, for instance, cover it in a clean tea towel.
– In case of stinging of some tropical jellyfish, use vinegar to the affected area. In North Sea jellyfish you ought to never ever utilize vinegar since it simply triggers the nettle cells.
– Try to remove the remains of the arms on the skin, for instance scraping the skin with a credit card or the back of a knife, or with a spot or tweezers. It can help to carefully use a little shaving soap to the affected location initially.
– Itching and discomfort can be eased with an anti-itch (eg based upon lidocaine). In case of serious signs, the medical professional can likewise prescribe an antihistamine or cortisone lotion.
– In case of extreme discomfort you can potentially take a painkiller (eg paracetamol).
– It is advisable to safeguard the afflicted location from the sun to decrease the threat of scars (brown areas) forming.

What can not you do?

– Do not rub on the impacted skin, consequently spreading the toxin.
– Avoid sand on the afflicted area.
– Never rinse with fresh water, as this will intensify the effects of arms.
– Never ever utilize vinegar in North Sea jellyfish (but in tropical jellyfish), which activates the still-present nettle cells.
– Making use of baking soda (salt bicarbonate) is likewise (normally) not advised.
– Urination on the afflicted area is strongly prevented.

When to speak with a medical professional?

– If general signs or indications of an allergic occurrence such as headache, vomiting, breathing problems, palpitations, loss of awareness … seek instant medical attention or call 112.
– In children or senior people.
– If you have actually been stabbed in numerous places or in case of skin rash and/ or pain over a large skin surface.
– If you are put near the eyes or around the genitals.
– In case of serious pain, and particularly if it is not limited to the afflicted location, but radiates even more, you should also consult a doctor.
– When the skin complaints (pain, itching …) are not gone after 24 hours.
– Even if you are stung in a (sub) tropical nation a jellyfish, it is best to seek advice from a medical aid post or doctor instantly.