The abnormal immune system reaction occurring after eating some specific foods is known as food allergy. The symptoms of the reactions can be both mild and severe, and usually occur within minutes to few hours of exposure. Some of the common symptoms include vomiting, itching, diarrhea, low blood pressure, swelling of the tongue and trouble in breathing. Wheat, peanuts, cows milk, rice, soy, fish, fruits and eggs are examples of common foods causing allergic reactions. Diagnostic methods include examination of medical history, oral food challenge, skin prick test and elimination test. Epinephrine, steroids and antihistamines are effective in treating food allergies. This book provides significant information about food allergies to help develop a good understanding of their treatment methods. It presents researches and studies performed by experts across the globe. The book is appropriate for students seeking detailed information in this area as well as for experts.