Anaphylaxis is the most severe form of allergic reaction. It can occur within minutes after allergen exposure and may lead to life-threatening circulatory collapse. Therefore, anaphylaxis is a medical emergency that requires immediate treatment.
An anaphylactic reaction may include one or more of the following symptoms:
Skin and mucous membranes:
Itching, hives, redness of the skin, swelling of the face
Sneezing, coughing, hoarseness, difficulty swallowing, shortness of breath and wheezing
Abdominal cramps, nausea, vomiting, diarrhoea
Heart and circulatory system:
Dizziness, weakness, lack of energy, drop in blood pressure, rapid heart rate, unconsciousness, heart/circulatory and/or respiratory arrest