Dipyridamole is a medication that belongs to the class of drugs known as platelet inhibitors. It is commonly used in the medical field to prevent blood clots, which can lead to serious health complications such as strokes and heart attacks. This medication works by inhibiting platelet aggregation, which reduces the risk of blood clot formation. By doing so, it helps to improve blood flow and decrease the chances of certain cardiovascular events.

Dipyridamole has several medical applications due to its ability to prevent blood clots. Let’s explore some of its primary uses:

  • Prevention of Stroke: Dipyridamole is often prescribed as part of a combination therapy to reduce the risk of stroke in individuals who have previously experienced transient ischemic attacks (TIAs) or mini-strokes. By preventing the formation of blood clots, it helps to maintain proper blood flow to the brain, reducing the chances of a full-blown stroke.
  • Management of Heart Conditions: This medication is also used in the management of certain heart conditions, including unstable angina and coronary artery disease. By improving blood flow to the heart, Dipyridamole helps alleviate symptoms such as chest pain and shortness of breath, and it can also support overall heart function.
  • Cardiac Stress Testing: Dipyridamole is commonly employed in cardiac stress testing procedures. During these tests, the medication is administered to induce stress on the heart, which allows healthcare professionals to evaluate the heart’s response to physical exertion and detect any underlying issues.
  • Thromboembolic Disorders: Thromboembolic disorders, such as deep vein thrombosis (DVT) and pulmonary embolism, involve the formation of blood clots that can potentially travel to vital organs. Dipyridamole may be prescribed to prevent the recurrence of such events and help manage these conditions effectively.


Yes, there are generics available for Dipyridamole. Generic drugs are bioequivalent to their brand-name counterparts, meaning they contain the same active ingredients and produce the same therapeutic effects. Generics are often more cost-effective compared to brand-name medications, making them a popular choice for many patients.

MyRx Outlet offers generics of Dipyridamole through its trusted prescription fulfillment service.

Some commonly available generic forms of Dipyridamole include:

  • Dipyridamole tablets
  • Dipyridamole extended-release capsules
  • Arreno (from Singapore)
  • Asasantin (from Singapore)

Warnings and Precautions

When using Dipyridamole, it is important to be aware of certain warnings and precautions to ensure your safety. Here are some key points to keep in mind:

Allergic Reactions

Some individuals may be allergic to Dipyridamole or its components. If you experience symptoms such as rash, itching, swelling, or difficulty breathing, it is crucial to seek immediate medical attention. Inform your healthcare provider about any known allergies before starting Dipyridamole.

Bleeding Risks

Dipyridamole can increase the risk of bleeding, especially if you have a bleeding disorder or are taking other blood-thinning medications. It is important to inform your doctor about any history of bleeding disorders or ongoing use of other medications to avoid potential complications. If you experience unusual bleeding or bruising, notify your healthcare provider promptly.

Surgery and Dental Procedures

If you are scheduled for surgery or dental procedures, it is essential to inform your healthcare provider about your Dipyridamole use. The medication may need to be temporarily discontinued prior to the procedure to minimize bleeding risks. Your doctor will provide specific instructions based on your individual situation.

Liver and Kidney Problems

Individuals with liver or kidney problems may require special monitoring while taking Dipyridamole. The dosage may need to be adjusted to ensure safe and effective use of the medication. Make sure to inform your doctor about any pre-existing liver or kidney conditions.

Side Effects

Dipyridamole is a medication commonly prescribed to patients with cardiovascular conditions. While it is effective in treating various ailments, it is important to be aware of its potential side effects. By understanding these side effects, patients and healthcare professionals can make informed decisions regarding the use of Dipyridamole.

Common Side Effects

When taking Dipyridamole, some individuals may experience common side effects. These side effects are generally mild and often resolve on their own. It is crucial to remember that not everyone will experience these effects, and the severity may vary from person to person. Here are some of the common side effects associated with Dipyridamole:

  • Headache
  • Nausea or vomiting
  • Upset stomach
  • Diarrhea
  • Dizziness
  • Flushing or redness of the skin
  • Weakness or fatigue


Rare Side Effects

While rare, some individuals may experience side effects that occur less frequently but are still important to be aware of. If you encounter any of these rare side effects, it is advisable to seek medical attention promptly. Here are some rare side effects associated with Dipyridamole:

  • Chest pain or tightness
  • Irregular heartbeat
  • Fainting or lightheadedness
  • Severe allergic reactions (e.g., rash, itching, swelling)
  • Unusual bleeding or bruising
  • Signs of liver problems (e.g., dark urine, yellowing of the skin or eyes)
  • Signs of a blood disorder (e.g., persistent sore throat, fever, easy bruising)


Severe Side Effects

Although rare, severe side effects associated with Dipyridamole require immediate medical attention. It is crucial to be aware of these potential complications and seek prompt medical help if they occur. Here are some severe side effects that require urgent medical attention:

  • Signs of a heart attack (e.g., chest pain, pressure, or tightness; pain radiating to the jaw or left arm)
  • Signs of a stroke (e.g., sudden numbness or weakness on one side of the body; difficulty speaking or understanding speech; sudden vision changes)
  • Signs of an allergic reaction (e.g., difficulty breathing, swelling of the face or throat, hives, itching)
  • Severe bleeding or hemorrhage
  • Severe dizziness or fainting

Drug Interactions

It is essential to understand how Dipyridamole interacts with other drugs to ensure the safe and effective use of this medication.

Antiplatelet Medications

Dipyridamole belongs to a class of drugs known as antiplatelet medications. These medications work by preventing blood cells called platelets from clumping together and forming blood clots. When Dipyridamole is combined with other antiplatelet medications, such as Brilinta, it can increase the risk of bleeding. Therefore, it is important to monitor patients closely for any signs of excessive bleeding when using Dipyridamole with other antiplatelet drugs.


Anticoagulants are another class of drugs used to prevent blood clots. Unlike antiplatelet medications, anticoagulants work by inhibiting the clotting factors in the blood. When Dipyridamole is used in combination with anticoagulants, such as Eliquis, there may be an increased risk of bleeding. Regular monitoring of blood clotting parameters, such as the International Normalized Ratio (INR), is necessary to ensure the proper dosing of anticoagulants when used with Dipyridamole.

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)

NSAIDs are a class of medications commonly used to relieve pain and inflammation. Examples of NSAIDs include Voltaren and Celebrex. When Dipyridamole is used together with NSAIDs, there is a potential for increased bleeding risk. NSAIDs can interfere with the antiplatelet effects of Dipyridamole, reducing its effectiveness in preventing blood clots. Patients taking Dipyridamole should consult their healthcare provider before using NSAIDs to manage their pain or inflammation.

Proton Pump Inhibitors (PPIs)

Proton pump inhibitors (PPIs) are medications used to reduce stomach acid production and treat conditions such as gastroesophageal reflux disease (GERD) and peptic ulcers. Studies have shown that PPIs, when used concomitantly with Dipyridamole, may reduce the effectiveness of Dipyridamole in preventing blood clots. If PPIs are necessary, alternative antiplatelet medications or dosage adjustments should be considered to ensure optimal therapeutic outcomes.


Adenosine is a medication commonly used for cardiac stress testing. When Dipyridamole is used together with adenosine, there is a potential for an increased risk of side effects such as low blood pressure, dizziness, and flushing. It is crucial to inform healthcare providers about the use of Dipyridamole before undergoing any cardiac stress tests to ensure appropriate management and monitoring.


Cimetidine is a medication used to treat conditions such as ulcers and gastroesophageal reflux disease (GERD). When Dipyridamole is used concomitantly with cimetidine, there may be an increased concentration of Dipyridamole in the blood. This can potentially lead to an increased risk of side effects associated with Dipyridamole. Healthcare providers should consider alternative medications or dosage adjustments when using Dipyridamole with cimetidine.

Combining Dipyridamole with certain medications can increase the risk of bleeding or reduce its effectiveness in preventing blood clots. Always consult your healthcare provider and inform them about all the medications you are taking to ensure the safe and effective use of Dipyridamole.


It is important to understand the correct dosage, as well as the risks associated with overdose and the appropriate steps to take in the event of a missed dose.

Dosing Recommendations for Adults

When it comes to the dosing of Dipyridamole, it is crucial to follow the instructions provided by your healthcare professional. The dosage can vary depending on the specific medical condition being treated, individual patient factors, and other medications being taken concurrently. Here are some general dosing guidelines for adults:

  1. The usual recommended dose of Dipyridamole for preventing blood clots is 75-100 mg taken orally four times daily, with or without food.
  2. It is essential to take Dipyridamole exactly as prescribed by your doctor, without making any changes to the dosage or schedule unless directed otherwise.
  3. If you are taking other medications along with Dipyridamole, ensure that you inform your doctor or pharmacist to avoid potential drug interactions.

Pediatric Dosage Recommendations

For children, the dosing of Dipyridamole may differ, and it is essential to consult with a pediatrician or healthcare professional for accurate dosage instructions tailored to the child’s specific needs. They will consider factors such as the child’s age, weight, and medical condition before determining the appropriate dosage.


While it is essential to adhere to the prescribed dosage of Dipyridamole, accidental overdose can occur. If you experience any of the following symptoms, it may indicate an overdose and require immediate medical attention:

  • Severe headache
  • Dizziness or lightheadedness
  • Rapid heartbeat
  • Flushing
  • Sweating
  • Shortness of breath
  • Nausea or vomiting

Actions to Take in Case of Overdose

If you suspect an overdose of Dipyridamole, it is crucial to take prompt action. Here are the steps you should follow:

  1. Contact emergency services or your local poison control center immediately.
  2. Provide them with all the necessary information, including the name of the medication (Dipyridamole) and the estimated amount ingested.
  3. Follow the instructions provided by the medical professionals, as they may suggest inducing vomiting or other appropriate measures.
  4. Be prepared to provide additional details about the individual’s medical history and any other medications they may be taking.

Missed Dose

To ensure the effectiveness of Dipyridamole and minimize the risk of blood clots, it is crucial to follow the prescribed dosage schedule diligently. However, if you happen to miss a dose, here’s what you should do:

  1. If you remember shortly after the missed dose, take it as soon as possible.
  2. If it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule.
  3. Never double the dose to make up for the missed one, as this can increase the risk of adverse effects.


If you are taking Dipyridamole and discover that you are pregnant or are planning to conceive, it is crucial to seek medical advice immediately. Your healthcare provider will assess your individual situation and provide appropriate recommendations based on the potential risks and benefits of continuing or discontinuing Dipyridamole during pregnancy.

While Dipyridamole has been widely used for cardiovascular conditions, limited data is available regarding its safety during pregnancy. The potential risks associated with Dipyridamole use in pregnancy are not yet fully understood, and further research is needed to establish its safety profile. Therefore, caution is advised when considering the continuation of Dipyridamole during pregnancy.


Dipyridamole is a medication that needs to be stored under specific conditions to maintain its effectiveness. Here are some key points to consider when storing Dipyridamole:

Temperature and Humidity

Dipyridamole should be stored at room temperature, ideally between 68°F and 77°F (20°C and 25°C). It is essential to keep the medication away from extreme temperatures, such as direct sunlight, heat sources, or freezing conditions. Exposure to high or low temperatures can impact the stability and efficacy of Dipyridamole. Additionally, maintaining an appropriate humidity level is crucial. It is recommended to store the medication in a dry place to prevent moisture from affecting its quality.

Original Packaging

To ensure proper storage, it is best to keep Dipyridamole in its original packaging. The packaging is designed to protect the medication from light and moisture. Avoid transferring the tablets to a different container unless instructed by your healthcare provider or pharmacist. The original packaging provides an extra layer of protection to maintain the integrity of the medication.

Keep Away from Children and Pets

Like any other medication, Dipyridamole should be kept out of the reach of children and pets. Store it in a secure location, such as a locked cabinet or a high shelf, to prevent accidental ingestion. It is essential to follow safety measures to avoid any potential harm.

Avoid Bathroom Storage

Although it may seem convenient, storing Dipyridamole in the bathroom is not recommended. Bathrooms tend to have high humidity levels due to showers and baths. The moisture in the air can affect the stability of the medication. Choose a different storage location that is dry and away from humidity.

Away from Potential Contaminants

When storing Dipyridamole, ensure it is kept away from potential contaminants. Avoid storing it near cleaning products, chemicals, or any substances that could release fumes or particles. Keeping the medication separate from such contaminants helps maintain its purity and prevents any interactions that may affect its efficacy.

Check Expiration Date

Always check the expiration date before storing or using Dipyridamole. Expired medications may not provide the intended therapeutic effect and could potentially be harmful. Dispose of any expired medication properly according to local guidelines or consult with a pharmacist for guidance on safe disposal methods.


Proper disposal of medications, including Dipyridamole, is essential to protect public health and the environment. Here are some methods you can follow to dispose of Dipyridamole safely:

Take-Back Programs

Many communities and pharmacies organize medication take-back programs to help individuals safely dispose of unused or expired medications. These programs provide designated drop-off locations where you can bring your Dipyridamole and other medications for proper disposal. Contact your local pharmacy or waste management facility to inquire about any available take-back programs in your area.

Pharmaceutical Disposal Bags

Pharmaceutical disposal bags are specifically designed to safely dispose of medications. These bags typically contain activated carbon, which neutralizes the active ingredients in the medications. To dispose of Dipyridamole using a pharmaceutical disposal bag, follow the instructions provided with the bag. This method ensures that the medication is rendered ineffective and safe for disposal.

Mixing with Undesirable Substances

Another method of disposing of Dipyridamole is by mixing it with undesirable substances, such as coffee grounds or kitty litter. By doing so, you can render the medication less appealing and prevent accidental ingestion. Place the mixture in a sealable bag or container and dispose of it in the regular trash. Be sure to remove any personal information from the medication packaging before disposing of it.

Flushing Down the Toilet

Flushing medication down the toilet should be considered a last resort when no other disposal options are available. Some medications, including Dipyridamole, may have specific instructions for flushing due to their potential to cause harm if accidentally ingested. Check the medication guide or consult a healthcare professional to determine if flushing is an appropriate disposal method for Dipyridamole.

Sharps Disposal Containers

If you are using Dipyridamole in its injectable form, it is essential to dispose of the needles and syringes properly. Sharps disposal containers are specifically designed for the safe disposal of needles and other sharp medical instruments. These containers can be obtained from pharmacies or healthcare facilities. Follow the instructions provided with the container to ensure safe disposal of the used sharps.

IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.

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