Dr Costa runs several allergy clinics in Leamington Spa and Oxford - focusing on the diagnosis and management of Food Allergy, Hayfever, Allergic Rhinitis, Chronic Spontaneous Urticaria and Angioedema, Eczema, Asthma and MCAS. He's also a member of the Royal College Of Paediatrics and Child Health and the British Society of Allergy and Clinical Immunology.