JellyFish Facts

Jellyfish Sting Effects

Jellyfish Sting Effects picture

Jellyfish Sting Effects

Jellyfish inhabit all the oceans of the world and are found at different depths. There are many dangerous types of jellyfish found in the waters adjoining beaches and shore lines. These jellies float just below the surface of water and many swimmers inadvertently come across them. Jellyfish do not have a brain and only react in set patterns to different stimuli. Certain chemicals on the skin of a human triggers a response from the jellyfish to sting. The tentacles of the jellyfish have numerous stinger cells shaped like tiny harpoons called nematocysts and they are fired into the flesh of the person, who comes in contact with the jellyfish. Out of the two thousand species of jellyfish, about a hundred have a venom which can cause various disturbing symptoms in a human and even death.

The toxicity of the venom in different jellyfish varies. It ranges from mild to highly dangerous which can cause a coma or death. Among jellyfish sting effects, the most common is excruciating pain and burning sensation. The area where the jellyfish stings will go red initially. It will form a raised welt if a tentacle has wrapped around that area. The skin might also get covered in a type of rash which causes severe itching. If the toxicity of the venom is strong it will cause that area of skin to die and cause a discoloration. A numbness can also start spreading in the limb and around the stung area, or there might be muscle spasms.

If the venom of the jellyfish sting is not neutralised immediately by pouring vinegar, it will enter the blood stream and cause further effects which are more serious, depending on the type of jellyfish that has stung the person. Generally if there are multiple stings the person will start getting nausea and will start to vomit. The pain coupled with the toxins in the venom will cause severe headaches, and also pains in various parts of the body.

In many cases the venom of the jellyfish sting affects the abdomen and the person will get severe abdominal pain and will also get diarrhea. In certain people the lymph nodes will start to swell and form lumps. For people who already have a medical condition, their symptoms might get aggravated or cause some other allergic reactions in the body.

The sting of a box jellyfish is very deadly, and coupled with the excruciating pain the venom will cause difficulty in breathing. If an antivenin is not administered immediately the venom will cause a cardiac arrest and the person will die within minutes. The venom of the box jellyfish has mainly paralysing effects causing muscle paralysis, and the person may not be able to swim to shore and can drown.

The effects of the Irukandji jellyfish sting takes about four minutes to manifest. The effects are a sudden increase in the blood pressure and heart rate. There is also nausea, vomiting and pain in various parts of the body coupled with headache. It also affects the mind, and makes the person very anxious and fearful of the future.

Learn more about Jellyfish Stings, Jellyfish Safety, and Jellyfish Species

Learn more about Jellyfish, different Jellyfish Species, general Jellyfish Information, Jellyfish Pets and Jellyfish Safety




Written by and Sudarsana Sinha.

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