Millions of people suffer from food allergies, which are a bizarre reaction by your immune system to certain foods. Here are a few symptoms to look for. If you are experiencing one or more of these reactions, start a food journal and find out what might be triggering the reaction:
A tingling sensation in your mouth.
Swelling on your tongue or in your throat.
Difficulty in breathing.
Vomiting.
Cramping.
Diarrhea.
A sudden drop in blood pressure.
Fainting.
Also, you should see your primary health care provider.