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Formulation: Patch
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Nitro-Dur Patch is a prescription medication used to prevent chest pain (angina) in patients with coronary artery disease.
It contains nitroglycerin, an active ingredient that helps relax and widen blood vessels, improving blood circulation and reducing the amount of work the heart must perform.
Nitro-Dur Patch belongs to a class of medications called nitrates, which are commonly used to manage certain heart-related conditions.
Angina occurs when the heart muscle does not receive enough oxygen-rich blood to meet its needs. This may cause chest pain, pressure, tightness, or discomfort, particularly during physical activity or emotional stress.
Nitro-Dur Patch helps prevent angina episodes by gradually releasing nitroglycerin through the skin and into the bloodstream.
The medication is delivered using a transdermal patch, which provides a controlled release of nitroglycerin over several hours.
Nitro-Dur Patch is generally used for the long-term prevention of angina, particularly in patients with chronic stable angina.
Nitro-Dur Patch helps reduce the frequency of angina attacks, but it does not provide fast enough relief to treat sudden chest pain or an ongoing heart attack.
Nitro-Dur Patch is prescribed to help prevent episodes of angina pectoris, a type of chest discomfort caused by reduced oxygen supply to the heart muscle.
Angina commonly develops when the coronary arteries become narrowed because of coronary artery disease.
The coronary arteries are blood vessels responsible for delivering oxygen-rich blood to the heart.
When these arteries become narrowed, the heart may not receive enough blood during periods of increased activity or stress.
This can cause symptoms such as chest pressure, squeezing, tightness, or discomfort.
Some patients may also experience pain spreading to the arms, shoulders, neck, jaw, or back.
Other symptoms may include shortness of breath, fatigue, nausea, or sweating.
Nitro-Dur Patch helps prevent angina by relaxing blood vessels and reducing the heart’s oxygen requirements.
By decreasing the workload of the heart, the medication may reduce the frequency of chest pain episodes.
However, Nitro-Dur Patch does not remove blockages from the coronary arteries or cure coronary artery disease.
Nitro-Dur Patch helps prevent angina attacks by reducing the heart’s workload and improving the balance between oxygen supply and demand.
Nitro-Dur Patch is also used to manage chronic stable angina.
Chronic stable angina is a condition in which chest discomfort occurs in a relatively predictable pattern, often during physical activity or emotional stress.
For example, some patients may experience chest tightness when walking uphill, climbing stairs, exercising, or carrying heavy objects.
These activities increase the heart’s demand for oxygen.
When narrowed coronary arteries cannot deliver enough oxygen-rich blood, angina symptoms may develop.
Stable angina symptoms often improve with rest or appropriate fast-acting medication.
Nitro-Dur Patch helps prevent these episodes by continuously releasing nitroglycerin during the prescribed wearing period.
This may allow patients to perform certain daily activities with fewer episodes of chest discomfort.
Some patients may also experience improved exercise tolerance, meaning they can remain physically active for longer before angina symptoms develop.
However, the effectiveness of treatment varies from person to person.
Nitro-Dur Patch helps manage chronic stable angina by reducing the likelihood of chest pain during activities that increase the heart’s oxygen requirements.
Nitro-Dur Patch may help improve exercise tolerance in patients whose physical activities are limited by angina.
Exercise tolerance refers to the amount of physical activity a person can perform before experiencing symptoms such as chest discomfort or shortness of breath.
Patients with coronary artery disease may develop symptoms during walking, climbing stairs, or other forms of exertion.
This happens because physical activity increases the amount of oxygen the heart needs.
Nitro-Dur Patch helps reduce the workload of the heart by relaxing blood vessels.
As a result, some patients may experience fewer angina symptoms during their usual daily activities.
However, Nitro-Dur Patch does not eliminate the underlying coronary artery disease.
Patients should continue following their healthcare provider’s recommendations about safe physical activity, prescribed medications, and cardiovascular risk management.
Nitro-Dur Patch may improve exercise tolerance by helping prevent angina symptoms, but patients should not exceed their recommended activity levels without medical guidance.
Nitro-Dur Patch contains nitroglycerin, a medication that belongs to a class of drugs called nitrates.
Nitroglycerin works by relaxing and widening blood vessels, a process known as vasodilation.
When blood vessels widen, blood can flow more easily, and the heart does not need to work as hard to circulate blood throughout the body.
This helps reduce the heart muscle’s demand for oxygen and lowers the likelihood of angina symptoms.
Relaxes and Widens Blood Vessels
Nitroglycerin is converted into substances that increase the activity of nitric oxide signaling within blood vessel walls.
Nitric oxide helps relax the smooth muscles surrounding blood vessels, allowing them to widen.
Nitroglycerin primarily relaxes veins, although it can also widen arteries.
Reduces the Heart’s Workload
By relaxing veins, Nitro-Dur Patch reduces the amount of blood returning to the heart.
This decreases the pressure and workload placed on the heart muscle.
As a result, the heart requires less oxygen to perform its normal functions.
Helps Prevent Chest Pain
Angina occurs when the heart’s oxygen requirements exceed the available oxygen supply.
By reducing the heart’s oxygen demand, Nitro-Dur Patch helps prevent the imbalance responsible for angina symptoms.
Provides Medication Through the Skin
Nitro-Dur Patch releases nitroglycerin through the skin and into the bloodstream.
This allows the medication to provide preventive effects during the prescribed wearing period.
Nitro-Dur Patch helps prevent angina by widening blood vessels and reducing the amount of oxygen the heart needs.Â
Nitro-Dur Patch begins releasing nitroglycerin after it is applied to the skin.
However, it does not provide immediate relief from chest pain.
The medication must first pass through the skin before entering the bloodstream.
Its preventive effects generally develop over the first few hours after application.
Clinical studies have demonstrated benefits beginning approximately two hours after application for certain patch strengths.
Because Nitro-Dur Patch gradually releases medication, it is intended to prevent angina attacks rather than treat an attack that has already started.
Your healthcare provider may prescribe a fast-acting nitroglycerin tablet or spray to use if sudden angina occurs.
Never rely on Nitro-Dur Patch to treat sudden chest pain. Follow your prescribed emergency angina plan, and seek emergency medical assistance for new, severe, persistent, or worsening chest pain.Â
Nitro-Dur Patch is generally worn for part of the day rather than continuously for 24 hours.
This is because the body can develop tolerance to nitrates when exposed to them continuously.
Nitrate tolerance means the medication becomes less effective at relaxing blood vessels and preventing angina.
To reduce this problem, healthcare providers commonly recommend wearing the patch for approximately 12 to 14 hours, followed by a patch-free interval of 10 to 12 hours.
The exact schedule depends on when your angina symptoms usually occur and your healthcare provider’s treatment instructions.
Removing the patch during the prescribed interval helps maintain the medication’s effectiveness.
However, some patients may experience angina symptoms during the patch-free period.
Your healthcare provider may adjust your treatment plan or prescribe additional medications when necessary.
Follow your prescribed patch application and removal schedule. Do not wear Nitro-Dur Patch continuously unless your healthcare provider specifically instructs you to do so.Â
Nitro-Dur Patch is available in several strengths, commonly delivering 0.2 mg, 0.4 mg, 0.6 mg, or 0.8 mg of nitroglycerin per hour.
It is applied to clean, dry, intact skin according to the manufacturer’s instructions.
Possible side effects include headache, dizziness, lightheadedness, skin irritation, and low blood pressure.
Headaches are particularly common when starting nitrate treatment because nitroglycerin widens blood vessels.
Nitro-Dur Patch must not be used with medications such as sildenafil, tadalafil, vardenafil, or riociguat because these combinations can cause a dangerous drop in blood pressure.
Nitro-Dur Patch is used to prevent angina attacks, not to provide immediate relief from chest pain.
Nitro-Dur Patch is a prescription medication used to prevent episodes of chest pain, also known as angina, in patients with coronary artery disease.
It contains nitroglycerin, a medication that helps relax and widen blood vessels, reducing the workload of the heart and improving the balance between oxygen supply and demand.
Nitro-Dur is available as a transdermal patch, which delivers medication gradually through the skin and into the bloodstream.
The patch is generally applied once daily and worn for approximately 12 to 14 hours, followed by a patch-free period of 10 to 12 hours.
This patch-free interval is important because continuous exposure to nitroglycerin can cause the body to develop tolerance, making the medication less effective over time.
Apply Nitro-Dur Patch at approximately the same time each day, following the schedule recommended by your healthcare provider.
The patch should be placed on clean, dry, intact skin and replaced according to your prescription instructions.
Use Nitro-Dur Patch exactly as prescribed. Do not apply additional patches, wear the patch longer than directed, or change your treatment schedule without consulting your healthcare provider.
Nitro-Dur Patch is designed to deliver nitroglycerin through the skin over several hours.
Correct application helps ensure that the medication is absorbed consistently while reducing the risk of skin irritation.
Follow these steps when applying your patch:
Make sure the previous patch has been removed before applying a new one.
Do not apply a new patch directly over an area that has recently become irritated.
Apply Nitro-Dur Patch only to suitable skin areas and follow the manufacturer’s instructions for placement, removal, and disposal.
Nitro-Dur Patch should be applied to clean, dry, intact skin in an area recommended by the manufacturer.
Common application sites include the chest, upper body, or upper arm.
Choose an area with little or no hair so the patch can adhere properly.
Avoid placing the patch on skin that is irritated, inflamed, damaged, or affected by a rash.
Do not apply the patch over cuts, open wounds, or areas where clothing may repeatedly rub against it.
Avoid applying lotions, creams, oils, or powders to the selected area before attaching the patch.
These products may interfere with adhesion and cause the patch to loosen.
If the application site is very hairy, ask your pharmacist about appropriate preparation. Avoid shaving immediately before application if doing so causes skin irritation.
Choose a clean, dry, relatively hairless application site and avoid broken or irritated skin.
Nitro-Dur Patch should be applied to a different area of skin each time you replace it.
This practice is called site rotation.
Rotating application sites helps reduce the risk of skin irritation caused by repeated contact with the patch adhesive.
Some patients may experience mild redness, itching, or discomfort where the patch has been applied.
These reactions are often temporary and improve after the patch is removed.
However, applying a new patch to the same area repeatedly may increase irritation.
Choose a different suitable location each day and allow previously used areas to recover before applying another patch there.
If you develop persistent redness, swelling, blistering, or severe itching, contact your healthcare provider.
Rotate Nitro-Dur Patch application sites regularly to reduce skin irritation and maintain comfortable patch use.
Nitro-Dur Patch is generally worn for approximately 12 to 14 hours each day.
After the prescribed wearing period, the patch is removed to allow a daily patch-free interval.
The patch-free interval commonly lasts approximately 10 to 12 hours.
This schedule helps reduce the development of nitrate tolerance.
Nitrate tolerance occurs when the body becomes less responsive to nitroglycerin after continuous exposure.
When tolerance develops, the medication may become less effective at preventing angina.
Your healthcare provider will determine the appropriate wearing schedule based on your symptoms and the times when you are most likely to experience chest pain.
For example, some patients may be instructed to apply the patch in the morning and remove it in the evening.
Others may require a different schedule depending on their angina pattern.
Do not wear Nitro-Dur Patch continuously for 24 hours unless your healthcare provider specifically instructs you to do so.
Nitro-Dur Patch releases nitroglycerin continuously while it remains attached to the skin.
However, prolonged exposure to nitroglycerin can cause the body to become less responsive to its effects.
This is known as nitrate tolerance.
When nitrate tolerance develops, nitroglycerin may become less effective at relaxing blood vessels and preventing angina episodes.
A daily patch-free interval allows the body to regain sensitivity to the medication.
During this interval, nitroglycerin levels decrease, helping maintain the effectiveness of future doses.
Some patients may experience chest discomfort during the patch-free period.
If this happens, your healthcare provider may adjust your treatment schedule or recommend another medication to help manage symptoms.
Follow your prescribed patch-free interval carefully. Do not shorten or eliminate it without consulting your healthcare provider.
If Nitro-Dur Patch becomes loose or falls off, follow the instructions supplied with your medication.
A patch that is not properly attached may not deliver the intended amount of nitroglycerin.
If the patch falls off completely, a replacement patch may be needed.
The appropriate action depends on how long the patch was worn, when it became detached, and your prescribed application schedule.
Do not apply two patches at the same time to compensate for a patch that has fallen off.
Contact your pharmacist or healthcare provider if you are unsure whether to apply a replacement.
Never apply extra Nitro-Dur patches to make up for a detached or missed patch without medical guidance.
If you forget to apply Nitro-Dur Patch at your usual time, follow your healthcare provider’s instructions for missed applications.
In general, apply the patch when you remember unless it is nearly time for your next scheduled application or doing so would interfere with your prescribed patch-free interval.
If you are unsure how to adjust the schedule, contact your pharmacist.
Do not apply extra patches or wear the medication longer than prescribed to compensate for a missed application.
Taking more nitroglycerin than recommended may cause excessive lowering of blood pressure, dizziness, fainting, or severe headaches.
Do not double your Nitro-Dur Patch dose. Maintain your prescribed patch-free interval and ask your healthcare provider if you are uncertain how to resume treatment.
Do not suddenly stop using Nitro-Dur Patch without consulting your healthcare provider.
Nitro-Dur is generally prescribed to help prevent recurring episodes of angina.
Stopping treatment may allow chest pain to return or become more frequent.
For patients who have been using nitroglycerin regularly, abrupt discontinuation may also lead to worsening angina symptoms.
Your healthcare provider will determine whether your dosage or treatment schedule needs to be adjusted before discontinuing the medication.
In some cases, another medication may be prescribed to maintain angina control.
If you are experiencing unwanted side effects, contact your healthcare provider rather than stopping the medication on your own.
Do not discontinue Nitro-Dur Patch without medical guidance, as sudden changes in treatment may worsen angina symptoms.
Contact your healthcare provider promptly if Nitro-Dur Patch no longer seems to prevent your angina symptoms effectively.
Possible warning signs include chest pain occurring more frequently, discomfort developing during less strenuous activities, or episodes lasting longer than usual.
These changes may indicate worsening coronary artery disease, the development of nitrate tolerance, or a need to reassess your treatment.
Do not apply additional patches or increase your dosage to obtain stronger relief.
Nitro-Dur Patch is designed to prevent angina and does not act quickly enough to relieve sudden chest pain.
Your healthcare provider may prescribe fast-acting nitroglycerin tablets or a spray for acute angina episodes.
If you develop new, severe, persistent, or worsening chest pain, seek emergency medical assistance. Do not rely on Nitro-Dur Patch to treat a suspected heart attack.
Used Nitro-Dur patches may still contain some nitroglycerin after removal.
For this reason, proper disposal is important to prevent accidental exposure.
After removing a used patch, fold it in half with the adhesive sides pressed together.
Place the folded patch in a secure disposal container or follow the disposal instructions supplied by your pharmacist.
Keep both used and unused patches out of the reach of children and pets.
Do not allow another person to handle the adhesive surface unnecessarily.
Wash your hands after removing and disposing of the patch.
Dispose of used Nitro-Dur patches safely because they may still contain medication capable of causing harmful effects if accidentally exposed to children or pets.
Nitro-Dur Patch may cause side effects such as headaches, dizziness, lightheadedness, skin irritation, and low blood pressure.
Headaches are particularly common when starting nitroglycerin treatment because the medication widens blood vessels.
Dizziness or fainting may occur when standing up quickly, especially during the early stages of treatment or after a dosage increase.
Stand up slowly from sitting or lying positions to reduce the risk of falls.
Do not use Nitro-Dur Patch with erectile dysfunction medications such as sildenafil, tadalafil, or vardenafil, or with riociguat. These combinations can cause dangerously low blood pressure.
Tell your healthcare provider about all medications you take, particularly blood pressure medications and other drugs that affect blood vessels.
Use Nitro-Dur Patch only as prescribed, maintain the recommended daily patch-free interval, and report any new or worsening chest pain promptly.
Regular follow-up appointments are important to ensure that Nitro-Dur Patch continues to prevent angina effectively and that your treatment remains appropriate.
Nitro-Dur Patch (Nitroglycerin) is available in the following forms and strength:
Nitro-Dur Patch may cause a significant decrease in blood pressure, particularly in patients who are sensitive to the effects of nitroglycerin.
Nitro-Dur contains nitroglycerin, a medication that belongs to a class of drugs called nitrates. These medications work by relaxing and widening blood vessels, reducing the workload of the heart.
Although this action helps prevent angina, it can also lower blood pressure.
When blood pressure becomes too low, the brain and other organs may not receive adequate blood flow.
Symptoms of low blood pressure may include dizziness, lightheadedness, weakness, blurred vision, nausea, or fainting.
These symptoms may become more noticeable when standing up suddenly from a sitting or lying position. This is called orthostatic hypotension.
The risk may be greater in older adults, patients who are dehydrated, or individuals taking other medications that lower blood pressure.
To reduce the risk of dizziness or falls, stand up slowly and avoid sudden changes in position.
If you experience persistent dizziness, unusual weakness, or repeated episodes of fainting, contact your healthcare provider.
Seek immediate medical attention if you experience severe dizziness, fainting, confusion, or other symptoms of dangerously low blood pressure while using Nitro-Dur Patch.
Nitro-Dur Patch must not be used with phosphodiesterase type 5 (PDE5) inhibitors because the combination can cause a dangerous drop in blood pressure.
PDE5 inhibitors are medications used to treat erectile dysfunction and certain conditions involving elevated blood pressure in the lungs.
Examples include sildenafil (Viagra or Revatio), tadalafil (Cialis or Adcirca), vardenafil, and avanafil.
These medications work by increasing the effects of substances that relax blood vessels.
Nitro-Dur Patch also relaxes blood vessels by increasing nitric oxide signaling.
When combined, these medications can produce an excessive blood pressure-lowering effect.
This may lead to severe dizziness, fainting, reduced blood flow to vital organs, or other life-threatening complications.
Nitro-Dur must also not be combined with riociguat, a medication used for certain types of pulmonary hypertension.
If you have recently taken a PDE5 inhibitor, inform your healthcare provider before using nitroglycerin. The required separation interval depends on the specific medication.
Never combine Nitro-Dur Patch with sildenafil, tadalafil, vardenafil, avanafil, or riociguat. These combinations can cause dangerously low blood pressure and potentially life-threatening complications.
Nitro-Dur Patch should not be used to treat a heart attack or provide immediate relief from sudden chest pain.
A heart attack occurs when blood flow to part of the heart muscle becomes severely reduced or blocked.
Without adequate oxygen, heart muscle tissue may become damaged.
Possible symptoms include chest pressure, tightness, squeezing, or pain that spreads to the arm, shoulder, neck, jaw, or back.
Other symptoms may include shortness of breath, nausea, cold sweating, dizziness, or unusual weakness.
Nitro-Dur Patch releases nitroglycerin gradually through the skin.
Because the medication takes time to enter the bloodstream, it does not act quickly enough to relieve an acute angina attack or serve as emergency treatment for a heart attack.
Patients who experience sudden angina may be prescribed fast-acting nitroglycerin tablets or spray.
However, even fast-acting nitroglycerin does not replace emergency medical assessment when a heart attack is suspected.
If you experience new, severe, persistent, or worsening chest pain, call emergency services immediately. Do not apply additional Nitro-Dur patches or wait for the patch to relieve your symptoms.
Patients with congestive heart failure should inform their healthcare provider before using Nitro-Dur Patch.
Heart failure occurs when the heart cannot pump blood effectively enough to meet the body’s needs.
Symptoms may include shortness of breath, fatigue, swelling of the legs or ankles, and difficulty performing physical activities.
Nitroglycerin can reduce the workload of the heart by relaxing blood vessels.
Certain nitrate medications may be used in selected patients with heart failure under medical supervision.
However, Nitro-Dur Patch is primarily indicated for preventing angina associated with coronary artery disease.
It is not specifically approved as a routine treatment for congestive heart failure, and its effectiveness for this purpose has not been adequately established.
Patients with heart failure may also take medications that lower blood pressure, making additional monitoring important.
Your healthcare provider will consider your cardiovascular condition and current medications before recommending Nitro-Dur.
Do not use Nitro-Dur Patch to treat heart failure unless your healthcare provider has specifically prescribed it as part of your treatment plan.
Patients with hypertrophic cardiomyopathy should use Nitro-Dur Patch only under careful medical supervision.
Hypertrophic cardiomyopathy is a heart condition in which the heart muscle becomes abnormally thick.
This thickening may make it difficult for the heart to pump blood efficiently, particularly when it obstructs blood flow leaving the heart.
Symptoms may include chest pain, shortness of breath, dizziness, palpitations, and fainting.
Nitro-Dur Patch works by relaxing blood vessels and reducing the amount of blood returning to the heart.
Although this action helps prevent angina in patients with coronary artery disease, it may worsen symptoms in some people with hypertrophic cardiomyopathy.
In particular, reducing the amount of blood filling the heart may increase obstruction in patients with hypertrophic obstructive cardiomyopathy.
This can lead to worsening chest discomfort, dizziness, or low blood pressure.
Older adults may be particularly vulnerable to these effects.
Your healthcare provider will consider your heart condition before deciding whether Nitro-Dur Patch is appropriate.
Tell your healthcare provider if you have hypertrophic cardiomyopathy. Seek emergency medical attention if your chest pain becomes severe, persistent, or is accompanied by fainting or difficulty breathing.Â
Using Nitro-Dur Patch continuously or for longer than prescribed may cause the body to develop nitrate tolerance.
Nitrate tolerance occurs when the body becomes less responsive to nitroglycerin after repeated or prolonged exposure.
When tolerance develops, the same dose may no longer provide the expected protection against angina.
Patients may notice that chest discomfort occurs more frequently or that the medication seems less effective during physical activity.
Increasing the nitroglycerin dose is not a reliable solution because tolerance may continue to develop even at higher doses.
To reduce this risk, healthcare providers generally recommend a daily patch-free interval.
For many patients, Nitro-Dur Patch is worn for approximately 12 to 14 hours, followed by a patch-free period of 10 to 12 hours.
This interval helps maintain the body’s responsiveness to nitroglycerin.
The appropriate schedule depends on when your angina symptoms usually occur.
Do not increase the number or strength of Nitro-Dur patches if the medication becomes less effective. Contact your healthcare provider to review your treatment.Â
Do not suddenly stop using Nitro-Dur Patch without discussing your treatment plan with your healthcare provider.
Nitro-Dur is prescribed to help prevent recurring episodes of angina.
Stopping treatment may result in the return or worsening of chest pain, especially if the underlying coronary artery disease remains uncontrolled.
Long-term exposure to nitrates may also produce physiological dependence in certain circumstances.
Serious cardiovascular events have been reported after abrupt nitrate withdrawal in individuals exposed to high amounts of nitroglycerin over prolonged periods.
However, this evidence largely comes from occupational exposure, and the significance of these findings for patients using prescribed Nitro-Dur patches is less certain.
Some clinical studies have also reported increased angina frequency during nitrate-free intervals in a small number of patients.
For this reason, your healthcare provider may review your treatment before recommending discontinuation or a change in your patch schedule.
Do not apply extra patches to compensate for symptoms during the prescribed patch-free interval.
Consult your healthcare provider before stopping Nitro-Dur Patch. If you develop new, persistent, or worsening chest pain, seek emergency medical assistance rather than attempting to manage it with additional patches.Â
Nitro-Dur Patch may interact with certain prescription medications, over-the-counter products, and supplements.
Some interactions can increase the blood pressure-lowering effects of nitroglycerin, potentially causing severe dizziness, fainting, or other complications.
Medications that may require additional precautions include other nitrates, certain blood pressure medications, and drugs that relax blood vessels.
For example, combining Nitro-Dur with some antihypertensive medications may cause blood pressure to fall excessively.
Alcohol may also increase the blood pressure-lowering effects of nitroglycerin and contribute to dizziness or fainting.
The most important prohibited combinations include PDE5 inhibitors, such as sildenafil, tadalafil, and vardenafil, and riociguat.
These medications must not be taken with Nitro-Dur because they can cause dangerously low blood pressure.
Herbal products and dietary supplements may also affect blood pressure or interact with other cardiovascular medications.
Your healthcare provider or pharmacist should review your complete medication list before treatment begins.
Tell your healthcare provider about all prescription medications, over-the-counter products, vitamins, and herbal supplements you use. Never combine Nitro-Dur with PDE5 inhibitors or riociguat.Â
Nitro-Dur Patch is used to prevent angina associated with coronary artery disease. It is not intended to provide immediate relief from sudden chest pain.
The medication can cause low blood pressure, headaches, dizziness, and fainting. Patients with hypertrophic cardiomyopathy, existing low blood pressure, or certain other cardiovascular conditions may require additional precautions.
Follow the prescribed application schedule and maintain the recommended patch-free interval to reduce nitrate tolerance.
Do not apply additional patches, increase the dosage, or suddenly discontinue treatment without consulting your healthcare provider.
Seek emergency medical attention if you develop severe or persistent chest pain, difficulty breathing, fainting, or symptoms suggesting a heart attack.
Nitro-Dur Patch is not suitable for everyone, particularly patients with certain cardiovascular conditions, low blood pressure, or a history of serious reactions to nitrate medications. Nitro-Dur contains nitroglycerin, a medication that relaxes and widens blood vessels to reduce the heart’s workload and help prevent angina attacks. Although this action can improve blood circulation and reduce chest discomfort, it may also cause a significant drop in blood pressure in some patients. People who already have low blood pressure may be more likely to experience dizziness, lightheadedness, weakness, or fainting. Patients with certain heart conditions, including hypertrophic obstructive cardiomyopathy, may experience worsening symptoms because nitroglycerin changes how blood returns to and flows through the heart. If you have a history of heart attack, stroke, heart failure, or another cardiovascular condition, inform your healthcare provider before using Nitro-Dur Patch. A history of heart attack or stroke does not automatically mean that Nitro-Dur is unsuitable, but your healthcare provider must consider your cardiovascular health and current medications. Nitro-Dur Patch must not be used with phosphodiesterase type 5 (PDE5) inhibitors, such as sildenafil, tadalafil, or vardenafil, or with riociguat. These combinations can cause dangerously low blood pressure. Patients with severe anemia, increased pressure inside the skull, or a known allergy to nitroglycerin may also need to avoid the medication. Your healthcare provider will review your medical history, blood pressure, current medications, and angina symptoms before determining whether Nitro-Dur Patch is appropriate. Consult your healthcare provider before using Nitro-Dur Patch, especially if you have low blood pressure, a history of cardiovascular disease, or take medications that affect blood pressure. Seek emergency medical attention if you experience severe chest pain, difficulty breathing, or fainting.
Nitro-Dur Patch is generally removed for a period each day to help prevent the body from developing tolerance to nitroglycerin. Nitrate tolerance occurs when the body becomes less responsive to the medication after continuous exposure. When tolerance develops, the same dose of nitroglycerin may become less effective at relaxing blood vessels and preventing angina attacks. To reduce this problem, healthcare providers commonly recommend wearing Nitro-Dur Patch for approximately 12 to 14 hours, followed by a patch-free interval of 10 to 12 hours. For many patients, this means applying the patch in the morning and removing it in the evening or before bedtime. However, the appropriate schedule depends on when angina symptoms are most likely to occur. Some patients experience chest discomfort at night or during the early morning hours. In these situations, a healthcare provider may recommend a different application schedule. Removing the patch during the prescribed interval allows nitroglycerin levels in the bloodstream to decrease, helping maintain the body’s responsiveness to treatment. Although this patch-free period helps prevent tolerance, some patients may experience angina symptoms while the patch is removed. Your healthcare provider may prescribe additional medication or adjust your treatment plan if necessary. Do not shorten the patch-free interval or apply additional patches to prevent symptoms without medical advice. Remove Nitro-Dur Patch according to your prescribed schedule, usually allowing a 10- to 12-hour patch-free interval each day. The patch does not necessarily have to be removed at night if your healthcare provider recommends a different schedule.
Do not suddenly stop using Nitro-Dur Patch without consulting your healthcare provider. Nitro-Dur is prescribed to help prevent episodes of angina by relaxing blood vessels and reducing the amount of oxygen the heart needs. If treatment is stopped, the protective effects of nitroglycerin will gradually disappear. As a result, chest discomfort may return or become more frequent, particularly if the underlying coronary artery disease remains uncontrolled. Some patients may experience worsening angina after abrupt discontinuation of long-term nitrate treatment. Your healthcare provider will determine whether the medication can be stopped safely and whether another treatment is necessary to maintain symptom control. In certain circumstances, your healthcare provider may recommend gradually reducing treatment rather than stopping it abruptly. However, not every patient requires the same discontinuation schedule. The appropriate approach depends on your prescribed dosage, how long you have used Nitro-Dur Patch, and the severity of your angina. If you are stopping the medication because of headaches, dizziness, skin irritation, or other side effects, discuss these concerns with your healthcare provider. They may recommend adjusting your dosage, changing your application schedule, or prescribing another medication. Do not apply additional patches or increase your dosage if chest pain returns after treatment changes. Nitro-Dur Patch is not intended to provide rapid relief from sudden chest pain. Patients may be prescribed fast-acting nitroglycerin tablets or spray for acute angina episodes. Never stop using Nitro-Dur Patch or change your prescribed schedule without medical guidance. If you develop new, severe, persistent, or worsening chest pain, call emergency services immediately rather than relying on the patch for relief.
| Generic name: | Nitroglycerin |
|---|---|
| Formulation: | Patch |
| Strength(s): | 0.2mg, 0.4mg, 0.6mg, 0.8mg |
| Quantities Available: | 30, 90 |
Our online Canadian Pharmacy is known for high standards of quality, safety, and efficiency when it comes to medications.
Our pharmacy offers lower prices on prescription drugs compared to traditional pharmacies.
When ordering Nitro Dur Patch (nitroglycerin) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is common for prescription medications to ensure adequate management of chronic conditions without frequent refills.
Here’s what you need to know:
Dosage and Quantity: Nitro Dur Patch is available in various strengths, including 0.2 mg/hour, 0.4 mg/hour, 0.6 mg/hour, and 0.8 mg/hour. It is commonly prescribed to be worn for 12 to 14 hours per day, with a patch-free interval of 10 to 12 hours. For a 90-day supply, this means you would order 90 patches of the prescribed strength (90 days x 1 patch per day).
No, we don’t sell nitroglycerin directly. However, you can still enjoy low prices on Nitro Dur Patch, which contains nitroglycerin as an active ingredient. To purchase Nitro Dur Patch, you will need a valid prescription from your healthcare provider. We require this prescription to dispense the medication safely and appropriately. You can submit your prescription by mailing it to us, faxing it, or uploading it through your online account.
Yes, we ship Nitro Dur Patch (nitroglycerin) to both the United States and Puerto Rico.
Watch how Online Pharmacies Canada is helping customers save money on their medications.
Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Nitro Dur Patch (Nitroglycerin). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Nitro Dur Patch (Nitroglycerin).
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