Symptoms appear soon after eating (minutes to hours) and are a wide range of different manifestations. There may be headaches, hives, red and itchy skin and itchy eyes, runny nose, swelling, heart palpitations, migraines, hot flashes, asthma, diarrhea, cramps, muscles and joint pain, panic attacks, anxiety, IBS. The less common are: gum inflammation, contact dermatitis ,…