Photomacrograph of the stinger on a common aerial yellowjacket (Dolichovespula arenaria). This species of wasp is commonly found across North America and has black and yellow colouring. Only females ...

The bee's stinger injects venom into the skin. The venom is what causes the symptoms. A severe life-threatening allergic reaction is called anaphylaxis. The main symptoms are hives with trouble ...

On the other hand, epinephrine injections, more commonly known as EpiPens are used for people who do have severe allergic reactions to stings from bees, wasps or in this case yellow jackets.