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Food allergy

Find everything you need to know about food allergy including causes, symptoms, diagnosis and treatment, with links to other useful resources.
Symptoms of a food allergy
Symptoms of a food allergy include raised red itchy skin rash, swelling of the face, eyes, lips, tongue, and shortness of breath
Causes of a food allergy
The cause of food allergies is related to your immune system. Your immune system is your body’s main defence system against infection.
Diagnosing food allergy
Visit your GP if you think you or your child has a food allergy.
Living with a food allergy
The most effective way you can prevent symptoms is to remove the offending food (the allergen) from your diet.
Treating a food allergy
Once you have been diagnosed as having a food allergy, your treatment will include providing you with information and advice about antihistamines, adrenalie and using an auto-injector.
Alexis' story
 Alexis Manning, 32, is a fourth-year medical student at Cardiff University. He has been allergic to peanuts for most of his life
Jane's story
 Jane Bell is mother to Lilly, born in August 1997, who developed multiple allergies in her first few months of life. This is Jane and Lilly’s story.
'Be vigilant in restaurants and other social functions'
Sheila Coovrey, 69 from Bedfordshire, has lived with a fish allergy for most of her life.