It is important to remove the stinger as quickly as possible after a sting. Even a delay of a second or two in removing the stinger is likely to increase the amount of venom you receive. In less than 20 seconds after a sting, 90% of the venom is injected into your body.
Your child is bleeding heavily.
The wound is deep.
The edges of the wound are gaping.
The wound is spurting blood.
You can't stop the bleeding after 10 minutes of direct pressure.
An object has punctured the skin and is still in the body.
The cut involves the eye or the cartilage of the nose or ear.