Anaphylactic shock is a severe and potentially life-threatening allergic reaction that occurs rapidly after exposure to an allergen. Common triggers include certain foods, insect stings, medications, and latex. Symptoms can include difficulty breathing, swelling of the throat, hives, and a rapid drop in blood pressure. Immediate treatment is crucial and typically involves the administration of epinephrine, which can reverse the symptoms. Individuals at risk are often advised to carry an epinephrine auto-injector for emergencies. Prompt medical attention is essential, as anaphylactic shock can escalate quickly and may require additional treatments in a hospital setting.