What is the difference between a food allergy and a food intolerance?

Food Allergy

• The body's IgE immune system is activated by the immediate ingestion of the trigger food.
• Reactions usually occur almost instantly or within 2 hours following exposure to the 'trigger' food.
• Symptoms may include: difficulty breathing, rashes, swelling, runny nose and anaphylactic shock. These can potentially be life threatening and require urgent medical attention.

Food Intolerance

• The body's IgG immune system forms an immune attack on specific food proteins consumed in the body. 
• Reactions are usually delayed and symptoms may take several days to appear.
• You can be intolerant to several different food groups at the same time.
• Sufferers can experience multiple symptoms, from headaches to bloating, diarrhoea, lethargy and a generally feeling unwell.

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