Usually, jellyfish stings will hurt, but are not emergencies. Most cause pain, red marks, itching, numbness, or tingling. But a few types of jellyfish (mainly found in Australia, the Philippines, the Indian ocean, and central Pacific Ocean) are very dangerous, and can cause people to get very sick quickly.
No.
All people with jellyfish stings to the leg or foot will need crutches
Most jellyfish stings are not deadly, but stings of some species of the class Cubozoa and the Box jellyfish, such as the famous and especially toxic Irukandji jellyfish, can be deadly.
Chironex fleckeri and Carukia barnesiBox jellyfish Box jellyfish
No they are not
Jellyfish
Jellyfish
Jellyfish Stings Man's Face - 2007 was released on: USA: August 2007
The sting will burn
They are alkali, hence the use of vinegar to neutralize the stings.
Jellyfish stings are known to be alkali in nature - therefore, treating the affected area with vinegar neutralises the stings.
Avoid the jellyfish at all costs, even if it is dead. Put hot water or cold water on your sting, then wait for a day or two for it to heal.