what are the allergic reactions to pistachios?
August 17th, 2010 | 
Author: when I eat pistachios my stomach tends to hurt in a sharp blast of pain over and over in a spaced sequence, and I get a small headache. I don’t think these are allergic reactions but im not quite sure.
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Sounds odd, but it’s possible…I would just get tested at your doctor to find out for sure.
A guy I knew who was allergic to seafood would vomit every time he got done eating it, so in your case, it could be.(sorry gross.)
But are you sure it isn’t just a coincidence and you’re getting your period soon or something?