Inclusion Criteria:  Children aged one year to 18 years old with proven food allergy to one of the foods mentioned above.  Exclusion Criteria:  under 12 months of age Admitted in the past in intensive care unit after allergic reaction Had allergic reaction that treated with three or more adrenalin doses (EpiPen/ IM adrenaline) Uncontrolled asthma (according to the GINA guidelines) Severe AD Children with allergy to three or more allergens not from the same allergen group