how long do jellyfish stings last



Jellyfish sting symptoms, especially from more dangerous species, can escalate quickly. Most often they result in immediate pain and red, irritated marks on the skin. But the effectiveness of both of these remedies is inconclusive. And in rare cases jellyfish stings are life-threatening.Most jellyfish stings get better with home treatment. This is a special drug formulated to combat the venom of a specific breed of animal. Jellyfish are a common sea creature found in every ocean. Signs and symptoms of severe jellyfish stings include:Seek emergency treatment if you have severe symptoms.Jellyfish tentacles contain microscopic barbed stingers. Raised, red welts develop along the site of the sting, which may look like you have been hit with a whip. People who fish, dive, or go boating in deep waters are all more likely to get jellyfish stings. There is always a chance you may encounter a jellyfish, but you can take steps to make getting stung less likely.When you arrive at a beach, speak with the lifeguard on duty about what types of jellyfish have been seen in the area and if people have been reporting stings that day. Each stinger has a tiny bulb that holds venom and a coiled, sharp-tipped tube. These reactions may appear rapidly or several hours after the stings.

Advertising revenue supports our not-for-profit mission.Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. [2] If you’re stung by a jellyfish and start to feel dizzy or nauseous, ... Last medically reviewed on March 23, 2017. Jellyfish stings are relatively common problems for people swimming, wading or diving in seawaters. It affects the immediate area of contact and may enter the bloodstream.Jellyfish that have washed up on a beach may still release venomous stingers if touched.While many types of jellyfish are relatively harmless to humans, some can cause severe pain and are more likely to cause a systemic reaction. If you’re having an allergic reaction, such as hives, an over-the-counter antihistamine cream will help bring relief.Some people believe that applying a baking soda paste to the sting area will soothe their skin and draw out the jellyfish’s venom. Most often they result in immediate pain and red, irritated marks on the skin. Using a vinegar rinse may help in the case of some jellyfish species, but not others.A reaction to a more dangerous species of jellyfish will need to be treated with antivenin. These jellyfish cause more-serious problems in people:Conditions that increase your risk of getting stung by jellyfish include:Possible complications of a jellyfish sting include:The following tips can help you avoid jellyfish stings:Mayo Clinic does not endorse companies or products. The long tentacles trailing from the jellyfish body can inject you with venom from thousands of microscopic barbed stingers.Jellyfish stings vary greatly in severity.

Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. A If you’re in a lot of pain, you can try applying a topical painkiller such as lidocaine (LMX 4, AneCream). It may also help to take a hot shower as soon as possible. Healthline Media does not provide medical advice, diagnosis, or treatment. You can also develop welts along the area of the sting which can last … Some jellyfish stings may cause more whole-body (systemic) illness. If you’re stung by a jellyfish and start to feel dizzy or nauseous, pay close attention. Even dead jellyfish can deploy venom from their tentacles.Commercial products are available that claim to reduce the odds of jellyfish stings, although their clinical benefit is largely unknown.Most jellyfish stings won’t have any long-term effect on your health.
Vinegar is also a popular remedy for jellyfish stings. Meat tenderizer, a popular remedy, also shouldn’t be used, as it can cause damage to tissue.Don’t rub the area where your skin has been stung for several hours afterward, and avoid getting sand near the wound.Rinsing with cold, fresh water might seem like a good idea, but it could activate more jellyfish stingers if there are still some in your skin. Some jellyfish stings may cause more whole-body (systemic) illness. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. However, if you or someone else finds themselves in the following situations, seek immediate medical help : The sting itself covers more than half your arm, half your leg, a large part of your torso, or your face or genitals.

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