This medication is used in combination with "blood thinners" such as warfarin to keep clots from forming after heart valve replacements. Clots are a serious complication that can cause strokes, heart attacks, or blocked blood vessels in the lungs (pulmonary embolisms). Dipyridamole is an antiplatelet drug. It helps to keep blood flowing by stopping platelets from clumping together and by keeping heart blood vessels open.
Take this medication by mouth as directed by your doctor, usually 4 times daily.
The dosage is based on your medical condition and response to treatment.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
Do not stop taking this medication without consulting your doctor.
Dizziness, stomach upset, diarrhea, vomiting, headache, and flushing may occur as your body adjusts to the medication. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
In the US -
Before taking dipyridamole, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: other heart problems (such as severe coronary artery disease, recent heart attack), low blood pressure (hypotension), liver disease, a certain muscle problem (myasthenia gravis).
Older adults may be more sensitive to the side effects of this drug, especially dizziness and bleeding.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
If you are currently taking aspirin, talk to your doctor right away and ask if you should continue taking it with this medication. If you are not currently taking aspirin, talk to your doctor before starting it for any medical condition.
This medication is sometimes used together with other drugs that may increase your risk of bleeding. Examples are certain "blood thinners" (such as heparin, warfarin). Follow your doctor's instructions carefully and continue your medications as directed. Tell your doctor if you notice unusual bleeding. Consult your doctor or pharmacist for more details.
If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: flushing, sweating, restlessness, weakness, dizziness, fast heartbeat.
Do not share this medication with others.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
MEDICAL ALERT: Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).
Information last revised July 2014. Copyright(c) 2014 First Databank, Inc.
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