An 18-year-old who loves video games and playing basketball recently was rushed to the emergency department. He was having difficulty breathing, coughing, and sweating and felt his throat tighten with swollen lips. He has a birch allergy and experiences a stuffy nose, itchy red eyes during tree pollen season, and an itchy mouth when eating apples. He never had a systemic reaction before. He had eaten some shrimp salad and some soy milk.

What must be wrong with the boy? ##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or adequacy of the information, including data visualization elements and graphics. We do not endorse any medical treatment, product, ideas, or service, including content from our industry partners. We do not…