Conflict of interest: none declared. Financial support: none declared.
October 2010 the Dutch College of General Practitioners issued a revised version of their previous practice guideline of 1995 on food hypersensitivity in infants.
If patients suspect either themselves or their child of having a food allergy, this is usually not demonstrated in subsequent investigation.
Wrongly prescribed elimination diets may have adverse effects.
Examination of serum specific IgE levels has no place in the diagnosis of food allergy in general practice.
An open elimination challenge is especially suitable in order to exclude a food allergy.
A sure diagnosis of food allergy can only be made by a double-blind placebo-controlled food challenge.
There are no proven effective measures that can prevent food allergy.