A fish allergy is an immune response to proteins in fish that can cause a range of symptoms, from mild to severe.

Symptoms of fish or shellfish allergies vary and range from mild reactions to a severe allergic reaction (anaphylaxis).

An immune system disorder that damages the small intestine after eating gluten.

A dairy/milk allergy causes your immune system to overreact to milk proteins. Symptoms include stomach problems, itching, rash and tingling around your mouth.