Anaphylaxis is a severe allergic reaction that can occur rapidly after exposure to an allergen. Anaphylaxis can progress rapidly and can be fatal. Seek emergency help immediately.
Skin Symptoms:
Hives (raised, itchy welts) on the skin
Generalized redness and flushing of the skin
Swelling, especially of the face, lips, tongue, and throat
Respiratory Symptoms:
Breathing difficulties, wheezing, stridor.
Coughing
Chest tightness
Cardiovascular Symptoms:
Rapid or weak pulse
Low blood pressure (which can lead to dizziness)
Paleness
Gastrointestinal Symptoms:
Nausea and vomiting
Abdominal pain or cramping
Diarrhea
Neurological Symptoms:
Anxiety or a sense of impending doom
Confusion
Loss of consciousness