 [ Symptoms ] nausea, vomiting, shortness of breath, low blood pressure, dizziness, mental confusion, wheezing, difficulty swallowing, flushing, blue skin from poor circulation, feeling of impending doom, swelling, fainting, nasal congestion, hives, itching, fast heart rate, difficulty breathing, impaired voice, rapid breathing, light-headedness, rashes [ Disease ] Anaphylaxis