ASA is reported to be linked to Reyes Syndrome, a rare but serious illness.Stomach bleeding warning: ASA may cause severe stomach bleeding.
Do not use if you are allergic to ASA, salicylates or other NSAIDs, have asthma brought on by ASA, salicylates or other NSAIDs Do not use if you have or have had an ulcer are prone to bleeding, have liver or kidney disease, are in the last trimester of pregnancy, use methotrexate 15 mg per week or more, with NSAIDS (ibuprofen and naproxen) if you are taking ASA 81 mg for preventive therapy without talking to a doctor or pharmacist, as NSAIDSs may interfere with the preventive benefits of ASA DAILY LOW DOSE 81 mg.Warnings: Reyes Syndrome: Do not give to children or teenagers less than 18 years of age who have chicken pox, cold or flu symptoms.