Jellyfish dermatitis

Jellyfish dermatitis is a skin condition caused by the sting of a jellyfish. The sting injects venom into the skin, causing a reaction that can range from mild irritation to severe pain and swelling. The severity of the reaction depends on the species of jellyfish, the area of skin affected, and the individual's sensitivity to the venom.

Symptoms

The symptoms of jellyfish dermatitis can vary, but often include:

• Red, itchy rash
• Swelling
• Pain
• Blisters
• Fever
• Nausea
• Headache
• Muscle pain
• Difficulty breathing in severe cases

Causes

Jellyfish dermatitis is caused by the sting of a jellyfish. The jellyfish's tentacles contain specialized cells called cnidocytes, which contain organelles called nematocysts. When the jellyfish comes into contact with a potential threat, the nematocysts fire, injecting venom into the threat.

Treatment

Treatment for jellyfish dermatitis focuses on relieving the symptoms and preventing infection. This can include:

• Removing any remaining tentacles from the skin
• Rinsing the area with vinegar or a solution of baking soda and water
• Applying a topical cream or ointment to relieve pain and itching
• Taking over-the-counter pain relievers
• Taking antihistamines to reduce swelling and itching
• In severe cases, seeking medical attention

Prevention

Prevention of jellyfish dermatitis involves avoiding contact with jellyfish. This can include:

• Wearing protective clothing when swimming in areas known to have jellyfish
• Avoiding areas where jellyfish are known to be present
• Being aware of local jellyfish warnings and advisories

See also

• Dermatitis
• Jellyfish
• Venom
• Cnidocytes
• Nematocysts

Jellyfish dermatitis Resources
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