How can pistachios cause diarrhea in a person?

Pistachio nuts do not commonly cause diarrhea but if you develop diarrhea after eating pistachio nuts, you may have an allergy. The Food Allergy and Anaphylaxis Network states, that more than 1.8 million Americans suffer from a tree nut allergy. read more

Pistachio nuts are a tree nut that can cause common gastric symptoms, such as diarrhea, nausea and abdominal cramping. If you suspect that you have an allergy to pistachio nuts, call your doctor. Stop eating pistachios until you are able to be evaluated. read more

Some of the common symptoms of tree nuts allergy are abdominal pain, diarrhea, nausea, cramps, vomiting, difficulty in swallowing, itching of mouth, throat, eyes,skin, and other areas, difficulty in breathing, nasal congestion etc. and in some cases, tree nut allergy can be fatal and give rise to anaphylaxis, which is a life-threatening allergic reaction that can cause difficulty in breathing, low blood pressure, unconsciousness, weak pulse etc. and sometimes it can even cause death. read more