Aspirin for Coronary Artery Disease

 

Aspirin may reduce your chance of having a heart attack or a stroke if you have certain risk factors, such as diabetes, high blood pressure, high cholesterol, or smoking. If you have a higher risk for a heart attack or stroke, aspirin will have even more benefit for you.

You can take aspirin to help you during a heart attack. After you call or other emergency services, chew 1 adult-strength (325 mg) or 2 to 4 low-dose (81 mg) aspirin if you are not allergic to aspirin and if there is no other reason that you can't take aspirin. Aspirin slows blood clotting, so a blood clot that is causing the heart attack stays smaller.

You may also take low-dose aspirin (81 mg) every day to help lower the risk of a heart attack or stroke. Low-dose aspirin may be used:

  • After a heart attack, to prevent another one.
  • By people who have coronary artery disease.
  • By people with stable angina.
  • By people with unstable angina.
  • After bypass surgery or angioplasty.
  • By people who have had a stroke or transient ischemic attack (TIA).
  • After surgery to prevent a stroke (carotid endarterectomy).
  • By healthy men over age 45 when the benefits of aspirin to prevent a heart attack are greater than the risk of stomach bleeding from taking daily aspirin.
  • By healthy women over age 55 when the benefits of aspirin to prevent a stroke are greater than the risk of stomach bleeding from taking daily aspirin.

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