Definition & Meaning of "anaphylactic shock"

What is "anaphylactic shock"?

Anaphylactic shock is a serious and potentially life-threatening allergic reaction that happens very quickly after exposure to an allergen. Common triggers include foods, such as peanuts or shellfish, insect stings, medications, or latex. Symptoms can get worse quickly and include difficulty breathing, swelling of the throat and tongue, a rapid drop in blood pressure, hives, nausea, and dizziness. Immediate treatment is crucial and typically involves the giving an epinephrine injection to stop the reaction, followed by emergency medical care. Avoiding known allergens and carrying an epinephrine auto-injector, like an EpiPen, are essential for individuals at risk of anaphylaxis.