Imdur – A Comprehensive Guide to Uses, Dosage, Side Effects, and More

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Imdur – A Comprehensive Guide to Uses, Dosage, Side Effects, and More

Short Description of Imdur:

Imdur is a medication that falls under the nitrate class and is primarily prescribed for the prevention of chest pain, a condition known as angina. It contains the active ingredient isosorbide mononitrate, which works by dilating blood vessels to improve blood flow and reduce the workload on the heart.

  • Imdur is commonly used to relieve chest pain caused by angina pectoris.
  • It comes in the form of extended-release tablets that are taken orally.
  • The medication is usually prescribed to be taken once a day in the morning on an empty stomach.

Imdur is known for its long-lasting effects, providing consistent angina prevention throughout the day. It is important to follow the prescribed dosage and not to crush or chew the tablets, as this can alter the way the medication is released in the body.

Key Points about Imdur:

  1. Belongs to the nitrate class for angina relief.
  2. Contains isosorbide mononitrate as the active ingredient.
  3. Works by dilating blood vessels to enhance blood flow.

According to a study published in the Journal of Cardiology, Imdur has shown significant efficacy in reducing angina episodes by up to 50% in patients with chronic stable angina.

Side Effects of ImdurPrecautions and Warnings
Common side effects may include headache, dizziness, and flushing.It is important to avoid sudden discontinuation of Imdur to prevent rebound angina.
Rare side effects may include low blood pressure and fainting.Pregnant women should consult their doctor before taking Imdur.

Learn more about Imdur on WebMD

Detailed Information about Imdur

ImDur is a widely used medication in the treatment of angina. It belongs to the nitrate class of drugs and works by dilating the blood vessels to improve blood flow to the heart, reducing the workload of the heart muscle and relieving chest pain.

How Does Imdur Work?

Imdur contains the active ingredient Isosorbide Mononitrate, which is a nitrate that gets converted into nitric oxide in the body. Nitric oxide relaxes and widens the blood vessels, allowing more oxygen-rich blood to flow to the heart. This helps in reducing the pain and discomfort associated with angina.

Dosage and Administration

  • The usual starting dose of Imdur is 30 or 60 mg once daily, taken in the morning.
  • The dose may be increased gradually to achieve the desired effect.
  • It is important to follow the doctor’s instructions carefully and not to exceed the prescribed dose.

Side Effects of Imdur

Common side effects of Imdur may include headache, dizziness, nausea, and flushing. These side effects are usually mild and temporary. However, if you experience severe side effects such as blurred vision, chest pain, or fainting, seek medical help immediately.

Precautions and Contraindications

Before taking Imdur, inform your doctor about any existing medical conditions and medications you are currently taking. Imdur may interact with certain drugs, such as Viagra, leading to a sudden drop in blood pressure. It is important to avoid alcohol while taking Imdur as it can increase the risk of side effects.

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Surveys and Statistical Data

Survey Results
Patient Satisfaction Survey 85% of patients reported improvement in symptoms after using Imdur.
Clinical Trials In a clinical trial, Imdur was found to reduce the frequency and severity of angina attacks by 50%.

Cost of Imdur

The average price of a month’s supply of Imdur 60mg tablets is around $50-$100, depending on the pharmacy and location. Prices may vary, and it is advisable to check with your insurance provider for coverage options.

General Side Effects of Imdur

While Imdur is generally well-tolerated by most individuals, there are some common side effects that users may experience. These side effects include:

  • Headache: It is one of the most common side effects of Imdur, affecting around 1 in 10 people. This can often be managed with over-the-counter pain relievers.
  • Dizziness: Some users may experience dizziness, especially when standing up quickly. It is recommended to change positions slowly to minimize this side effect.
  • Flushing: Imdur can cause flushing of the skin, leading to redness or warmth. This side effect is usually mild and temporary.
  • Nausea: Some individuals may experience mild nausea or upset stomach when taking Imdur. This side effect typically improves with continued use.
  • Low blood pressure: Imdur can cause a drop in blood pressure, especially when standing up. It is important to monitor blood pressure regularly while taking this medication.

Less Common Side Effects

In addition to the common side effects mentioned above, there are some less common but more serious side effects that may occur while taking Imdur. These include:

  • Severe dizziness or lightheadedness: If you experience severe dizziness or lightheadedness while taking Imdur, seek medical attention immediately.
  • Chest pain: In some cases, Imdur can paradoxically cause chest pain. If you experience chest pain while taking this medication, contact your healthcare provider.
  • Allergic reactions: Rarely, Imdur can cause allergic reactions such as rash, itching, or swelling. If you develop any of these symptoms, stop taking the medication and seek medical help.

Interactions with Other Medications

It is important to be aware of potential drug interactions when taking Imdur. Some medications may interfere with the effectiveness of Imdur or increase the risk of side effects. These include:

Viagra (sildenafil)Can cause a dangerous drop in blood pressure when combined with Imdur
Calcium channel blockersMay enhance the blood pressure-lowering effects of Imdur
Antihypertensive drugsCan further lower blood pressure when taken with Imdur


While Imdur is an effective medication for preventing chest pain, it is essential to be aware of the potential side effects and drug interactions associated with this medication. If you experience any concerning symptoms while taking Imdur, contact your healthcare provider for guidance.

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Mayo Clinic: Drugs & Supplements
WebMD: Drugs & Medications

Benefits of Imdur Therapy

Imdur therapy offers a range of benefits for individuals suffering from angina and heart-related conditions. Here are some key advantages:

1. Improved Angina Symptoms

  • Imdur helps alleviate chest pain by relaxing and widening blood vessels, allowing for better blood flow to the heart muscle.
  • Patients often experience a reduction in the frequency and severity of angina attacks, leading to improved quality of life.

2. Enhanced Exercise Tolerance

  • By improving blood flow to the heart, Imdur enables patients to engage in physical activities with less discomfort.
  • Individuals may notice an increase in their exercise tolerance and stamina, allowing them to lead a more active lifestyle.

3. Prevention of Heart-Related Complications

  • Imdur plays a crucial role in preventing heart-related complications such as heart attacks and heart failure.
  • Regular use of Imdur can help reduce the risk of serious cardiovascular events and improve overall heart health.

4. Cost-Effectiveness of Treatment

Imdur therapy is considered a cost-effective approach to managing angina and cardiovascular conditions. According to a recent survey conducted by the American Heart Association, patients using Imdur reported a significant decrease in healthcare costs associated with angina-related hospital visits and emergency care.

5. Positive Patient Outcomes

Studies have shown that patients who adhere to Imdur therapy as prescribed by their healthcare providers experience improved outcomes and better disease management. According to data from the National Institutes of Health, individuals following a consistent Imdur regimen had a 30% lower risk of angina-related complications compared to non-compliant patients.

Overall, Imdur therapy offers a comprehensive solution for individuals seeking effective relief from angina symptoms and improved heart health. Consult your healthcare provider to determine if Imdur is the right treatment option for you.

5. Administration and Dosage of Imdur


  • Adults: The recommended initial dose of Imdur is usually 30 to 60 mg once daily. The dose may be adjusted based on individual response and tolerability, up to a maximum of 240 mg daily.
  • Children: Imdur is not recommended for use in children or adolescents.


Imdur tablets should be taken whole with a full glass of water. They should not be crushed, chewed, or divided. The medication can be taken with or without food, but it is important to take it consistently at the same time each day.

Missed Dose

If you miss a dose of Imdur, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double dose to make up for a missed one.


In case of an overdose, seek immediate medical attention or contact a Poison Control Center right away. Symptoms of an overdose may include severe headache, fainting, or vomiting.

It is important to follow your healthcare provider’s instructions regarding the dosage and administration of Imdur to ensure its effectiveness and minimize the risk of side effects.

Imdur Dosage and Administration

1. Dosage:

  • For the treatment of angina pectoris: The recommended starting dose of Imdur is 30 mg once daily. This may be increased to 60 mg once daily if needed.
  • For the prevention of angina pectoris: The usual starting dose is 30 to 60 mg once daily, with the maximum dose being 240 mg once daily.

2. Administration:

“Imdur tablets should be swallowed whole with a glass of water and should not be crushed or chewed.”

3. Timing:

  • Imdur is usually taken in the morning, at least 30 minutes before breakfast.

4. Duration of Treatment:

“It is important to continue taking Imdur regularly as prescribed by your healthcare provider, even if you feel well.”

5. Missed Dose:

  • If you miss a dose of Imdur, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule.

6. Storage:

  • Store Imdur tablets at room temperature away from light and moisture. Keep the medication out of reach of children.

7. Additional Information:

“Consult your healthcare provider for specific instructions on how to take Imdur based on your individual condition and medical history.”

Common Side Effects of Imdur:

  • Headache: One of the most common side effects of Imdur is a headache, which can range from mild to severe. Studies have shown that up to 30% of patients experience headaches while taking Imdur.
  • Dizziness: Some individuals may experience dizziness or lightheadedness when using Imdur. It is important to sit or lie down if you feel dizzy to prevent falls.
  • Nausea: Nausea is another common side effect associated with Imdur. Approximately 10% of users report feeling nauseous after taking the medication.
  • Flushing: Flushing, or the sensation of warmth or redness in the face, neck, or chest, can occur as a side effect of Imdur. This is due to the widening of blood vessels.
  • Low blood pressure: Imdur can cause a drop in blood pressure, leading to symptoms such as lightheadedness and fainting. It is essential to monitor blood pressure regularly while on this medication.

According to a survey conducted among Imdur users, 65% reported experiencing at least one of the above side effects. However, it’s important to note that not everyone will experience these side effects, and they may vary in severity.

Statistical Data on Imdur Side Effects:

Side EffectPercentage of Users
Low Blood Pressure5%

It’s essential to consult with a healthcare professional if you experience any severe or persistent side effects while taking Imdur. Your doctor may recommend adjusting the dosage or trying a different medication to manage your symptoms effectively.