For use under medical supervision only - see your doctor before taking for thinning or for your heart.Do not use if: - You have a stomach ulcer. - You are allergic to aspirin or other anti-inflammatory medicines. Unless advised by a doctor do not use: - If you have asthma. - In children under 12 years of age. - In children 12 to 16 years of age with or recovering from chicken pox, influenza or fever. - During the first 6 months of pregnancy. Do not use at all during the last 3 months of pregnancy. Unless advised by a doctor or a pharmacist: - Do not use with other products containing aspirin or anti-inflamatory medicines or with medicines you are taking regularly. While using this product: - If you get an allergic reaction, stop taking and see your doctor immediately. Pharmacy medicine. Astrix aspirin is also available as a specially coated pellet formulation, which may be a more suitable alternative for people with a sensitive stomach. Please ask your doctor about Astrix capsules (enteric coated aspirin).