Anaphylaxis is a severe, life threatening allergic reaction, which may occur in certain people with allergy, after being exposed to a food, medication, insect sting, latex and sometimes exercise.
This is a major medical emergency that may affect the whole body.It must be treated right away.
Anaphylaxis means that multiple parts of the body are involved in the allergic reaction. Any of the following symptoms can be part of an anaphylactic reaction; usually, patients will have more than one:
Face: itchy eyes or nose, flushed face, swollen lips or tongue, a metallic taste in the mouth
Throat: itchy, tight or hoarse throat, dry or a hacking cough, trouble swallowing or choking
Skin: itchy or red skin, hives, swelling anywhere on the body
Chest and Lungs : tightness in chest, trouble breathing, shortness of breath, wheezing, coughing
Stomach: stomach pain, nausea, vomiting, diarrhea
All over: dizziness, fainting, feeling unsteady or sleepy