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Food allergies and intolerances

by Dr Wynnie Chan
continued from page 1

People with coeliac disease need to follow a strict, lifelong, gluten-free diet. Coeliac UK, publish an updated list of gluten-free foods. Most supermarkets now also stock 'free from' ranges.

  • Egg intolerance: This type of reaction occurs within minutes of eating an egg. Symptoms include, rashes and swelling on the face and around the mouth. People with egg intolerance need to avoid all foods containing egg white or egg yolk, from all sources, including chicken, goose and duck. Many food products, such as cakes, bread, mayonnaise and custard, contain egg or egg proteins, so be vigilant about checking ingredients labels before you buy.

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  • Peanut intolerance: The prevalence of peanut intolerance in the UK is unknown, although some studies have suggested that one in 200 may be affected in some way. Adults and children who suffer from a peanut intolerance may experience a tingling of the mouth and lips, swelling of the face, a skin rash called urticaria, nausea, colicky pain (a griping stomach pain) and feelings of tightness in the throat.

    A small number of people suffer very severe reactions within a few minutes of eating peanuts including swelling of the airways and anaphylactic shock (obstruction of breathing), a sudden drop in blood pressure, collapse and unconsciousness. People with a peanut allergy must strictly avoid all traces of peanuts in their food.

    Although the general consensus is that food allergies are on the rise, it is unclear as to why. Many people who think they have a food allergy or intolerance have not been tested by a doctor. If you suspect you have a food allergy, you should seek the advice of your GP who will conduct specific medical tests to confirm diagnosis. Once diagnosis is confirmed, a dietitian can suggest dietary modifications, to ensure that you don't unnecessarily exclude important foods from your diet.

    For more information on the subject visit www.eatwell.gov.uk



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