BACKGROUND To date, diagnosing food allergies in children still presents a diagnostic dilemma, leading to uncertainty concerning the definite diagnosis of peanut allergy, as well as to the need for strict diets and the potential need for adrenalin auto-injectors. This uncertainty in particular is thought to contribute to a lower quality of life. In the diagnostic process double-blind food chall...

BACKGROUND Recent studies suggest an increased prevalence of food-induced allergy and an increased incidence of food-related anaphylaxis. However, prevalence estimates of food allergies vary considerably between studies. OBJECTIVES To determine the prevalence of peanut, tree nut, fish, shellfish, and sesame allergy in Canada. METHODS Using comparable methodology to Sicherer et al in the Uni...

Diprivan® is composed of propofol, refined soybean oil and purified egg phosphatide. One must eliminate any allergy to one of its components before use. We report the story of a child who underwent nevus surgery under general anesthesia which was associated with an hypersensitivity reaction. In fact, this child had asthma and allergy to peanuts, raising the problem of cross allergy between birc...

Methods MPFA was defined as primary allergy simultaneously occurring to at least 3 unrelated foods. Allergy to a specific food was considered proven based on at least one of the following: a clear cut clinical history; elimination and reintroduction; a specific IgE level or skin prick test size ≥ the 95% positive predictive value (defined for cow’s milk, egg, peanut, wheat, potato); a positive ...

BACKGROUND Studies suggest that siblings of children with peanut allergy (PNA) have a higher prevalence of PNA than the general population. OBJECTIVES The Canadian Peanut Allergy Registry was used to assess the percentage of siblings of registered index PNA children who were 1) never exposed to peanut or 2) reportedly diagnosed with PNA by a physician without either a history of allergic reac...