Dipyridamole is a coronary vasodilator and belongs to a class of drugs known as platelet inhibitors. It is a yellowish crystalline powder that is easily soluble in methanol, alcohol and slightly soluble in water. The tablet also comprises of inactive components like hypromellose, polyethylene glycol, iron oxide yellow, corn starch, povidone, magnesium stearate, titanium dioxide and lactose monohydrate. This tablet is not available in the brand formulation.

Medical Uses

Dipyridamole is used in combination with blood thinners like warfarin in order to prevent the formation of clots when a heart valve replacement is being performed. The pill can assist in the continuous flow of blood by hindering the platelets to group together thereby keeping the blood vessels of the heart open. The drug can also be used to minimize the risk of strokes in patients who have the risk of developing clots. This tablet can extend the abnormally reduced survival time of the platelet in a systematic manner.

Dosing guide

Dipyridamole is available in the form of tablets and each tablet formulation comes in the dosage strengths of 25 mg, 50 mg and 75 mg. This drug can be taken by mouth usually four times each day.

The dosage of Dipyridamole differs for every individual and is based on the patient’s age, medical condition and his/ her response to the drug. To get the best results from the drug, take the medicine at the same time each day so as to help you remember better. Never take the drug in higher or lower dosage or in more or less numbers as this could cause severe health complications.

Use Dipyridamole exactly as prescribed by the doctor and clear all your queries related to the drug. Read the prescription label thoroughly before beginning the medical course.

Side Effects

Certain common signs of allergic reactions include diarrhea, vomiting, headache, rash, stomach ache and itching. Other unusual side effects can be bruises or bleeding that is unusual, pain in the chest, skin or eyes getting yellowish, dark urine, confusion, stammering or fainting.

Precautionary advice

  • Avoid taking Dipyridamole along with Aspirin or any other similar painkillers. Even if you are taking any over the counter pills, vitamins, or herbal supplements, ensure that you inform your doctor so as to avoid any harmful interactions and increased side effects.
  • Also disclose your complete medical history with your healthcare provider, especially if you have conditions like heart disease, chest pain, asthma, irregular heartbeat and muscle weakness.
  • Dipyridamole can be made safe for use by also informing the physician if you are nursing a baby, currently pregnant, become pregnant while taking the drug, or expect to become pregnant.
  • Overdose of Dipyridamole can result in severe chemical reaction. Let your doctor know if you are taking any other prescription medication, over the counter pills or any other herbal supplements in order to enable the doctor process the right medication for you in the ideal dosage strength thus preventing any allergic reactions and drug interactions.


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