What dosage of aspirin is recommended to prevent heart attacks?

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Intermountain Healthcare
Administration
In the studies in individuals without known heart disease doses between 75-325 mg/d have been predominantly studied. Support for any of these dosages exists but generally it is felt that 81-162 mg/d is adequate to help prevent heart attacks in this group. In those individuals with known coronary disease the AHA/ACC guidelines are 81-162 mg/d. If you have a history of ulcers use the enteric coated aspirin 81 mg/d.
Discovery Health
Administration

Studies have shown that people who take the recommended dose of between 80 mg and 325 mg of aspirin per day have a better chance of avoiding heart attacks, and of surviving the heart attack if they do have one.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.