Intolerance & Sensitivity
Although the word "Allergy" is commonly used to describe any unpleasant reaction to a drug, food, insect sting, or chemical, this can be misleading. The word should only be used to describe a reproducible reaction that is produced when the body meets a normally harmless substance, which has been "remembered" from a previous exposure and subsequently produces the "IgE" antibody.
The following sections will help you to identify other types of reactions that are not true 'IgE mediated' reactions, but nevertheless can produce symptoms that affect your daily life.
