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After a heart attack. Antiplatelet medicines might be used in the hospital after a heart attack to help blood to flow to the heart.
After angioplasty. If you had angioplasty and now have a stent, you will take antiplatelet medicines to help prevent another heart attack or a stroke. You will probably take ASA plus another antiplatelet medicine. If you get a drug-eluting stent, you will probably take both of these medicines for at least one year. If you get a bare metal stent, you will take both medicines for at least one month but maybe up to one year. Then you will likely take daily ASA long term. If you have a high risk of bleeding, your doctor may shorten the time you take these medicines.
Antiplatelet medicine, taken with ASA, helps lower the risk of a heart attack or stroke in people who have had angioplasty with a stent. This medicine lowers the risk that blood will clot in the stent and cause a heart attack.1, 2
Antiplatelet medicine also may be used to lower the risk of a heart attack or stroke in people who have had a heart attack or unstable angina.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
Call 911 or other emergency services right away if you have:
Call your doctor right away if you have any unusual bleeding, such as:
Other side effects of this medicine include:
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
Do not stop taking antiplatelet medicine without talking to your doctor. Make sure you take this medicine, especially if you have a stent. Antiplatelet medicine lowers the risk that blood will clot in the stent and cause a heart attack.
Risk of bleeding
Antiplatelet medicine increases the risk of bleeding. This risk of bleeding is higher in some people. Your doctor will balance the benefits and risks of an antiplatelet based on your health. For example, you should not take prasugrel if you have had a stroke or transient ischemic attack (TIA), if you already have a bleeding problem, or if you need surgery very soon.
If you have a high risk of bleeding from taking an antiplatelet, your doctor may suggest you take a proton pump inhibitor or a histamine H2 acid reducer. This medicine may help prevent bleeding in your stomach. If you are taking both ASA and an antiplatelet, talk with your doctor about how you can lower your risk of bleeding.
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
If you are pregnant, breast-feeding, or trying to get pregnant, do not use any medicines unless your doctor tells you to. Some medicines can harm your baby. This includes prescription and over-the-counter medicines, vitamins, herbs, and supplements. And make sure that all your doctors know that you are pregnant, breast-feeding, or planning to get pregnant.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments. And call your doctor if you are having problems. It’s also a good idea to know your test results and keep a list of the medicines you take.
- Grines CL, et al. (2007). Prevention of premature discontinuation of dual antiplatelet therapy in patients with coronary artery stents. A science advisory from the American Heart Association, American College of Cardiology, Society for Cardiovascular Angiography and Interventions, American College of Surgeons, and American Dental Association, with representation from the American College of Physicians. Circulation, 115(6): 813–818.
- Prasugrel (Effient) vs. Clopidogrel (Plavix) (2009). Medical Letter on Drugs and Therapeutics, 51(1320): 69–70.
|Primary Medical Reviewer||Kathleen Romito, MD - Family Medicine|
|Primary Medical Reviewer||E. Gregory Thompson, MD - Internal Medicine|
|Primary Medical Reviewer||Anne C. Poinier, MD - Internal Medicine|
|Specialist Medical Reviewer||Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology|
|Last Revised||July 1, 2011|
Last Revised: April 1, 2012
This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.