People suspected of having a<unk>  can try diet avoidance on their own. First, they have to avoid<unk>  for a couple of weeks. If they don’t have symptoms in the avoidance period but have those when exposed to<unk> , they are most likely allergic to<unk> . Specific<unk>  IgE, a kind of antibody in human blood, will rise significantly when people are allergic to<unk> . A blood test shows the level of the antibody. Skin prick test, the most efficient diagnosis, shows the reactions in a short period. After being pricked in their skin with some<unk>  mixture, allergic people will get itching and swelling in about 30 minutes.
Rice allergy
Corn allergy
Tree nut allergy
Garlic allergy
Peanut allergy
Sesame allergy
Wheat allergy
Insect sting allergy