_____ can impair breathing and send the body into shock.
Anaphylaxis
Anaphylaxis is a severe and potentially life-threatening reaction to a trigger such as an allergy. It is also known as anaphylactic shock. Anaphylaxis usually develops suddenly and gets worse very quickly. The symptoms include feeling lightheaded, breathing difficulties such as fast, shallow breathing, wheezing, a fast heartbeat, collapsing or losing consciousness.