Some of the most common foods that can cause allergies are peanuts, cashews, milk, soy, eggs, fish and shellfish. Approximately 90 percent of food allergies are attributed to these different types of foods listed, states the American College of Allergy, Asthma & Immunology.
Although these are very common foods that can cause an allergic reaction, any food can cause a reaction in anyone. For example, sesame and mustard seeds can be allergens. Additionally, children and adults can be susceptible to different types of food allergies. Common foods that can cause a reaction in children are milk, peanuts and eggs. For adults, the most common foods that trigger an allergic reaction are fish, shellfish, peanuts and certain fruits or vegetables, according to the American College of Allergy, Asthma & Immunology.
A food allergy can cause either a mild or severe reaction. Some symptoms of a severe reaction include hives, facial inflammation and breathing or swallowing problems, notes Healthline.