Find out about allergies, including typical symptoms, common allergies, when to get emergency medical help and allergy testing and treatments.

Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. [11] . These diseases …

The allergy service at Guy's Hospital is one of only 5 full-time allergy centres in the UK. We are one of the busiest and largest allergy centres. We are recognised as a centre of excellence by …

6 days ago · Welcome to Allergy London, unrivalled care in diagnosis and treatment of paediatric & adult allergic disease, led by Professors Adam Fox and Stephen Till. Enjoy the pets in your …

In the UK, 40% of children have been diagnosed with an allergy. The four most common allergies in children are food allergy, eczema, asthma, and hay fever. Allergy symptoms can affect all …

Allergies can cause minor itching, sniffling and sneezing. But they can also cause life-threatening swelling. Allergies are your immune system’s overreaction to foreign substances. When you …

Feb 21, 2025 · An allergy is a reaction of the body to a particular food or substance. Learn about allergy symptoms and treatments.

An allergy is an overreaction of the immune system to a normally harmless substance, such as foods, pollen, cats or dust. This is known as an allergen. The body's immune system treats the …

Nov 20, 2023 · Read about allergy treatment, symptoms, testing, shots, and medicine. Learn about the types of allergies (asthma, allergic rhinitis, seasonal, conjunctivitis, eczema, …

Jul 19, 2024 · An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. Learn more about the types, causes, and symptoms of allergies, and …