Hamilton Allergy

Hamilton Allergy is a specialized allergy and immunology clinic serving patients across southwestern Ontario. Led by Dr. Jason Ohayon, the clinic focuses on the diagnosis, treatment, and long-term management of allergic diseases, including environmental allergies, food allergies, asthma, eczema, and related conditions. Working closely with referring healthcare providers, our dedicated team combines evidence-based medicine, patient education, and modern digital communication tools to deliver comprehensive, patient-centered care. Hamilton Allergy is also actively involved in clinical research and innovative allergy therapeutic trials, providing eligible patients with access to emerging treatments while contributing to advances in allergy care.