Reintroduction of small doses of food in allergic children to lightening the elimination diet.

In four groups of allergic children (peanuts, wheat , milk and egg), a reintroduction of 4 small increasing doses of allergen is carried out progressively double-blind placebo- cons , randomized, during a hospitalization.

The procedure for reintroduction of small doses (MPD) is stopped at the appearance of intolerance (in taking a dose of allergen or placebo) defined by the onset of allergic symptoms or objective severe abdominal pain within 45 minutes of taking.

Inclusion Criteria:

• Allergic children 1 and 16 years for peanut, egg and wheat. So, for milk between 9 months and 16 years.
• Accurate diagnostic
• Allergic react rapidly and acute

Exclusion Criteria:

• severe disease