Aspects pratiques de l'allergie à l'arachide: du diagnostic à la prévention

ArticleinRevue Française d Allergologie et d Immunologie Clinique 38(10):896-899 · December 1998with1 Read
Impact Factor: 0.24 · DOI: 10.1016/S0335-7457(98)80159-7


    The prevalence of food allergy to peanuts has doubled over the last ten years. The prevalence of this allergy in the general population is 1.3 % in England and 0.4 % in the United States. In France, the prevalence of peanut allergy is unknown, however its frequency is clearly increasing. Peanut allergy is the commonest food allergy in children over the age of 3 years. Although the most frequent clinical presentation is atopic dermatitis, the symptoms are more severe than for other food allergies. The diagnosis must be based on standardized tests. The oral challenge test defines the reactogenic dose and the risk involved and represents the reference examination. Practical difficulties of diet and the severity of clinical manifestations may constitute an indication for specific immunotherapy, whose modalities have yet to be defined. Primary prévention is based on exclusion of peanuts during pregnancy and breastfeeding in families with a high risk of allergy.