What are the symptoms of anaphylaxis?
Each person may experience symptoms of anaphylaxis differently. The most common symptoms include:
- Respiratory system: chest tightness, shortness of breath, wheezing, throat tightness, cough, itchy mouth/throat, nasal congestion
- Cardiac system: low heart rate, pale/blue color, dizziness, low blood pressure, lightheadedness
- Skin and mucous membranes: hives all over body, swelling, itchiness, redness, itchy/watery/red eyes
- Gastrointestinal system: nausea, vomiting, diarrhea, stomach ache
- Other symptoms: anxiety, feeling of “impending doom”
The most dangerous symptoms, which should prompt an urgent 9-1-1 call, include breathing difficulty, loss of consciousness and low blood pressure. All of these can be fatal.