Abstract
A large number of drugs containing acetylsalicylic acid (ASA) and nonsteroidal anti-inflammatory drugs (NSAIDs) are available by prescription and over the counter in Canada. The possibility of serious side effects and drug interactions is therefore high. The authors have compiled a comprehensive list of products containing these drugs from information supplied by pharmaceutical databases, independent marketing researchers and Health Canada's Drug Directorate. Physicians should ensure that additional ASA-containing drugs or NSAIDs are not inadvertently taken by patients, especially those receiving oral anticoagulant therapy or those with a qualitative platelet defect. Patients at risk should be cautioned to check with their physician before taking any new medication, even over-the-counter products.
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