Topic summary
Pistachios

Extracted from the Wikipedia article Pistachio.
Priority allergen
Pistachios are included among other tree nuts as a priority allergen that may cause severe allergic reactions in susceptible people. An allergic reaction to pistachio consumption may lead to anaphylaxis, having symptoms such as hives or swelling of the face, lips, or tongue, coughing or shortness of breath, and upset stomach, among other effects.