There are 2 classes of allergic reactions, minor and major.

Minor allergic reactions can give you these symptoms:

• Sneezing, runny, blocked or itchy nose
• A rash (sometimes hives), or cracked skin
• Red, itchy and sore eyes
• Wheezing, coughing, tight chest
• Swollen lips, tongue, eyes, face
• Vomiting or diarrhoea

Major allergic reactions – anaphylaxis – can give you these symptoms:

• Swelling of throat or mouth
• Struggling to breathe
• Blue lips
• Collapsing from loss of consciousness
• Confusion

If any of the major symptoms are being exhibited, you should: use an adrenaline injector if they have one, then call 999 immediately.