Disopyramide, an anti- arrhythmic drug is used in the treatment of serious irregular heartbeat conditions such as persistent ventricular tachycardia which can be fatal. Disopyramide blocks abnormal electrical signals in the heart allowing it to beat at a normal rhythm.

Generic Norpace, Rythmodan




RPG Life Sciences


100 mg, 150 mg


Out of Stock.


I. Introduction

A. Brief Overview of Disopyramide

Disopyramide, a powerful medication for heart rhythms, has long been essential to medical treatment. It falls under the category of class IA drugs and is known for its ability to block sodium channels and its anticholinergic properties.

B. Historical Development and Approval Status

Disopyramide was initially created in the middle of the century as scientists aimed to develop potent antiarrhythmic medications. Since receiving approval from the U.S. Food and Drug Administration in 1977, it has become a valuable weapon for doctors combating severe and potentially fatal heart rhythm disorders.


II. Uses of Disopyramide

A. Primary Use: Treatment of Arrhythmias

Disopyramide has been widely used to manage cardiac arrhythmias, particularly in cases of ventricular tachycardia and symptomatic premature ventricular contractions. Its primary mechanism of action involves slowing down the conduction in the heart, which helps restore a normal heart rhythm. It works by reducing automaticity in the heart, slowing conduction speed across the atria and ventricles, and prolonging the refractory period of cardiac cells.

B. Other Recognized Uses in Cardiology

While Disopyramide primarily serves as a medication for controlling arrhythmia, it has also proven effective in treating other cardiac conditions. One notable example is its role as a therapeutic agent in managing hypertrophic cardiomyopathy, a condition characterized by abnormal heart muscle thickening. Disopyramide has shown promising outcomes in alleviating symptoms associated with specific heart conditions thanks to its ability to reduce the force of heart muscle contraction. This unique property makes it a viable option for managing situations where excessive cardiac contractility can be harmful.


III. Off-Label Uses of Disopyramide

A. Hypertrophic Cardiomyopathy

Even though it hasn't been officially approved for this use, Disopyramide has demonstrated effectiveness in treating Hypertrophic Cardiomyopathy (HCM), a condition marked by the enlargement of the heart muscle. By reducing the strength of contractions, Disopyramide helps alleviate the obstructive symptoms associated with HCM.

B. Other Potential Off-Label Applications

Considering the range of effects Disopyramide has on the heart, its potential for uses outside of its approved indications goes beyond HCM. Evidence suggests that it may be beneficial in treating Paroxysmal Atrial Fibrillation, a type of heart rhythm that occurs sporadically, and Torsades de Pointes, a potentially life-threatening arrhythmia. However, it's important to note that further research is still being conducted in these areas, and a healthcare professional should oversee any usage.


IV. How Disopyramide Works

A. Mechanism of Action

Disopyramide works by blocking the fast sodium channels found in the heart tissue. This helps to extend the time it takes for the electrical signal to travel through the heart and allows for an organized and steady heartbeat by preventing irregular electrical activity. Disopyramide - Wikipedia

B. Effects on the Cardiovascular System

The effects of Disopyramide on the system are diverse. From a perspective, it enhances the heart's rhythm and overall effectiveness. At a scale, it decreases irregular automaticity and slows down conduction velocity, frequently the root cause of arrhythmias.


V. Composition of Disopyramide

A. Active Ingredient: Disopyramide

The key component present in this medicine is Disopyramide, which's a potent antiarrhythmic agent. It is offered in two forms; immediate release and controlled release versions. This allows for flexibility regarding the dosage and how it is administered.

B. Common Inactive Ingredients

Disopyramide preparations often contain ingredients called excipients which help in the formulation process. These commonly include substances like magnesium stearate, microcrystalline cellulose, and silicon dioxide. However, it's important to note that the specific composition of these ingredients may vary depending on the manufacturer and the type of dosage form used.


VI. Dosage and Administration

A. Standard Dosage Guidelines

The amount of Disopyramide given to each patient is customized according to their circumstances, including the severity of symptoms, overall health, and other underlying medical conditions. Usually, an initial dose is given, followed by maintenance doses. Disopyramide (Oral Route) Proper Use - Mayo Clinic

B. Administration Instructions for Optimal Effect

To get the results from disopyramide, it is crucial to follow the instructions given by a healthcare professional. Usually, taking the medication at intervals throughout the day and night is recommended. This helps maintain the drug's level in your bloodstream and ensures a consistent effect. You can take it with or without food. Ensure you take it the same manner every time to ensure proper absorption.


VII. Side Effects of Disopyramide

A. Common Side Effects and Their Management

Like with any medication, Disopyramide may have some side effects. The common ones are dry mouth, constipation, and difficulty in urinating. Usually, these side effects can be managed easily. You must contact your healthcare provider if they become severe or disappear. To relieve the mouth, make sure to stay hydrated regularly. Including high-fiber foods in your diet can help with constipation. If you experience any issues with urination, it's crucial to contact a healthcare professional for guidance and support. Disopyramide Capsules: Uses & Side Effects | Cleveland Clinic

B. Rare but Serious Side Effects

Although uncommon, there is a possibility of experiencing side effects when using Disopyramide. These can manifest as a worsening irregular heartbeat intense dizziness, fainting episodes, or vision changes. If you notice any of these symptoms, it is crucial to seek medical assistance.


VIII. Interactions with Other Medications

A. Potential Risks with Common Drugs

Disopyramide has the potential to interact with medications, which can result in either an increase or decrease in how well those drugs work. For instance, Rifampin may reduce the effectiveness of Disopyramide, whereas Amiodarone can raise Disopyramide levels, potentially leading to toxicity. Patients must inform their healthcare provider about all the medications they are taking to avoid any interactions.

B. Disopyramide and Dietary Supplements: Any Concerns?

It's important to note that certain dietary supplements, like vitamins and herbal products, can have interactions with Disopyramide. Specifically, one common herbal supplement called St. Johns Wort can potentially reduce the effectiveness of Disopyramide. To be on the side, patients should exercise caution and consult a healthcare provider before introducing new supplements into their routine while taking Disopyramide.


IX. Warnings and Contraindications

A. Health Conditions that Preclude Use

There are health conditions that may make it unsuitable to use Disopyramide. These include liver or kidney disease, heart block or prolonged QT interval, myasthenia gravis, and glaucoma. Patients with any of these conditions should avoid using Disopyramide as it could worsen their condition.

B. Drug and Lifestyle Contraindications

Some medications, such as antibiotics and other antiarrhythmics, should not be taken with Disopyramide. Also, it's important to avoid alcohol consumption as it can amplify the side effects of Disopyramide. Make sure to talk to your healthcare provider about any contraindications.


X. Careful Administration of Disopyramide

A. Important Precautions to Consider

Given its impact, it is crucial to be careful when administering Disopyramide. Patients need to ensure they are taking the amount, not missing any doses, and seek advice from their healthcare provider if they accidentally take more than prescribed. Additionally, monitoring heart rate and blood pressure while undergoing treatment is essential.

B. Monitoring Patient Response

When taking Disopyramide, patients must communicate with their healthcare provider and keep track of how they respond to the medication. Its recommended to schedule checkups to assess the effectiveness of the treatment and make any necessary adjustments to the dosage. If any adverse effects are experienced, reporting them for proper management is essential.


XI. Administration to Specific Populations

A. Elderly Patients: Special Considerations

Due to the changes that occur with aging, such as decreased liver and kidney function, elderly individuals may have a heightened sensitivity to Disopyramide. As a result, healthcare providers must prescribe a starting dosage and closely monitor this population. Additionally, medical professionals must consider any interactions between Disopyramide and other commonly prescribed medications among elderly patients.


B. Disopyramide in Pregnancy and Lactation

Disopyramide should be used during pregnancy only if necessary, and the benefits outweigh the risks. This cautionary advice is because information about its safety for pregnant women is available. Likewise, breastfeeding mothers should exercise caution when using Disopyramide since it is unknown whether this medication passes into milk and could potentially impact a nursing infant.

C. Use in Pediatric Populations: What to Know

There isn't data available regarding the safety and effectiveness of Disopyramide in children. As a result, it's essential to approach its use in patients with caution and under the close guidance of a pediatric cardiologist. Before making any decisions, about giving Disopyramide to this group, it's crucial to analyze the risks and benefits involved.


XII. Overdose of Disopyramide

A. Recognizing Symptoms of Overdose

Overdosing on Disopyramide can lead to symptoms such as severe low blood pressure, slow heart rate, and a significant blockage in the electrical signals between the heart chambers. Additionally, there might be instances of seizures, difficulty in breathing, or a sudden halt in heart activity. It is crucial for patients and healthcare professionals to promptly identify these symptoms to initiate emergency treatment that suits the situation.

B. Immediate and Long-Term Management

The treatment for an overdose of Disopyramide primarily focuses on providing symptom relief and support. This can involve procedures such as administering activated charcoal, performing lavage to minimize absorption, and utilizing hemodialysis or hemoperfusion to eliminate the drug from the body. In the term, monitoring cardiac function and ensuring a gradual recovery process closely is essential.


XIII. Storage and Handling Precautions

Disopyramide should be stored at room temperature and shielded from light and moisture. Additionally, it is essential to keep it out of the reach of children to avoid any consumption. Please ensure that the storage area does not encounter temperatures and refrain from storing the medication in the bathroom, where it may come into contact with moisture.

B. Safe Handling of Disopyramide Medication

When using Disopyramide, patients must ensure their hands are clean and dry. It's crucial not to share the medication with others even if they have symptoms. Please dispose of expired medicines properly and do not flush them down the toilet or pour them into a drain unless specifically instructed.

Disopyramide FAQ

What are the side effects of Disopyramide?

Adverse reactions often arise when using Disopyramide as a treatment option. These range from mild instances like dry mouth and constipation; to moderate symptoms such as dizziness or headaches may also occur alongside overwhelming fatigue with blurry vision. Any severe manifestations like persistent chest pains and palpitations must be promptly communicated to a qualified medical practitioner for immediate intervention.

What is Disopyramide Phosphate?

For those dealing with life-threatening irregular heartbeats, Disopyramide may provide relief. The medication, whose full chemical name is Disopyramide Phosphate can effectively address serious conditions like persistent ventricular tachycardia.

What is the brand name of Disopyramide?

Disopyramide goes by different brand names across regions, yet Rythmodan or Norpace are commonly recognized.

What is the mechanism of action of Disopyramide?

Disopyramide is centered around preventing specific electrical signals in the heart from causing an abnormal heartbeat. Consequently, it assists in returning the heart rhythm to its natural setting and maintaining a smooth, predictable heartbeat pattern.

What class does Disopyramide belong to?

Disopyramide is categorized as a member of the Class IA antiarrhythmics group of medications.

What is Disopyramide?

To combat certain types of serious irregular heartbeats, healthcare professionals often prescribe Disopyramide. This medication effectively assists in returning the heart rhythm to its normal state and promoting regularity within the heart's beating pattern.

What is the cost of Disopyramide?

The cost of Disopyramide fluctuates depending on multiple variables like its brand, formulation, dosage, and the place where it's is being sold. It's advisable to contact local doctors or pharmacies to acquire accurate pricing information.

What is the dosage of Disopyramide?

The doctor tailors Disopyramide medication to suit the patient's medical condition and reaction to therapy. Usually, adults take between 400-800mg of this drug each day in portions. Nevertheless, it should be modified according to individual needs, as a healthcare provider advises.

What are the contraindications of Disopyramide?

Patients with a history of cardiogenic shock pre, existing second or third-degree AV block, or known hypersensitivity to disopyramide must not be prescribed this drug. Additionally, patients with kidney or liver disease must use disopyramide with utmost care.

What is the dose of Disopyramide?

To meet their specific health requirements, individuals receive Disopyramide dosages ranging between 400 and 800 mg daily. Healthcare providers divide these doses into several parts for patients to take as directed with careful attention.

What is Disopyramide HOCM?

The administration of Disopyramide can provide relief for individuals afflicted with Hypertrophic Obstructive Cardiomyopathy (HOCM). This ailment involves the expansion of the heart muscle and challenges in blood movement.

What is Disopyramide HCM?

In addressing the challenges posed by Hypertrophic Cardiomyopathy (HCM), Disopyramide is often employed to relieve symptoms. Boost physical endurance and alleviate left ventricular outflow tract obstruction.

What are the uses of Disopyramide?

Treatment of certain types of severe irregular heartbeats, which could be potentially fatal, remains the primary use for disopyramide. There's also a possibility it can aid in symptom management in patients with Hypertrophic Obstructive Cardiomyopathy.

What are the interactions of Disopyramide?

Disopyramide may interfere with the performance of various medications when used together. Some examples of these drugs are certain antidepressants, beta-blockers, other antiarrhythmic agents, and some antifungal medications. As a precautionary measure for your health and wellbeing, disclosing the full list of medicines you are presently taking is highly recommended before starting this medication.

What is the price of Disopyramide?

Multiple factors influence the price difference in Disopyramide medication, such as its formulation type, trademark preferences according to physicians, and pharmacological advice on dosages, along with regional differences in costs. We suggest you check in with a reputable pharmacy or medical professional to receive accurate pricing estimates for this medication.

What is Disopyramide Class 1A?

The term Class 1A pertains to the categorization of antiarrhythmic medications by Vaughan Williams. A drug that belongs to this class is Disopyramide, which functions by averting the entry of sodium ions into cells, ultimately decelerating the rhythm of phase 0 depolarization. It likewise has a moderate impact on potassium channels for added efficacy in preventing arrhythmias.

What is Rythmodan Disopyramide?

To manage potentially life-threatening irregularities in heart rhythm, doctors often prescribe Rythmodan, a brand name for Disopyramide.

What is Disopyramide used for?

In order to address life-threatening irregular cardiac activity, disopyramide is administered as a treatment method. This medicine functions by correcting any aberrant rhythms in the heart's action, ultimately promoting a stable and stable pattern of pulsations.

What is the alternative to Disopyramide?

It's worth exploring other choices besides Disopyramide for treating arrhythmias. Among these choices are other Class IA antiarrhythmic drugs like Quinidine and Procainamide or alternative classes depending on the unique characteristics of the specific arrhythmia needing treatment.

Is Disopyramide used for hypertrophic cardiomyopathy?

Disopyramide has been widely recognized as an effective treatment option for individuals living with Hypertrophic Obstructive Cardiomyopathy (HOCM). Through its therapeutic properties, this medication has successfully mitigated symptoms and decreased left ventricular outflow tract obstruction, a common complication that arises in HOCM patients.

What are the indications of Disopyramide?

When treating severe arrhythmias like Ventricular Tachycardia and select forms of Atrial Fibrillation. Disopyramide is a commonly prescribed medication. Furthermore, it can be utilized to manage Hypertrophic Obstructive Cardiomyopathy.

What is Disopyramide 100 mg?

The medical product known as Disopyramide 100 mg pertains to its dosage potency. Its administration could come in either capsules or injections, and the recommended amount is contingent upon a healthcare professional's examination.

Who manufactures Disopyramide?

Disopyramide is produced by various pharmaceutical companies worldwide, with Pfizer marketing it as Norpace and Sanofi-Aventis selling it under the brand name Rythmodan.

What are the warnings for Disopyramide?

Physicians must remain vigilant while administering Disopyramide since there's a possibility of serious cardiac adverse effects like arrhythmias and heart failure associated with its use. Patients with kidney or liver disease and those diagnosed with pre-existing heart conditions must be particularly carefully monitored during their treatments.

What is the generic name of Disopyramide?

Sold under various brand names, including Norpace and Rythmodan, Disopyramide is a medication with the generic name of Disopyramide.

Is there a shortage of Disopyramide?

The accessibility of Disopyramide may vary owing to a range of factors. To gain accurate information, it is suggested to approach local pharmacies or healthcare providers as they can provide the latest updates.

What are the side effects of Disopyramide in the UK?

Dry mouth, constipation, and dizziness are some of the side effects that people in the UK may experience if taking Disopyramide; it's a trend seen worldwide as well. Fatigue and headaches may also occur, along with other unintended reactions from using this medication. Staying informed of possible negative outcomes helps individuals make health-conscious decisions while using Disopyramide therapy under medical supervision.

How is Disopyramide Phosphate synthesized?

Complex chemical reactions are integral to the synthesis of Disopyramide Phosphate, making it best suited for professional pharmaceutical manufacturing environments. As such, this process typically takes place within laboratory settings.

What is a Disopyramide tablet?

When treating potentially fatal arrhythmias, Disopyramide tablets may be administered orally as a method of care recommended by healthcare professionals.

What is the trade name of Disopyramide?

Disopyramide can be found under various brand names, such as Norpace and Rythmodan. These are among the most popular labels that the medication is marketed under.

What is the brand name of Disopyramide Phosphate?

Disopyramide Phosphate is a medication that is marketed under various brand names, including Norpace and Rythmodan, among others.

What is the dose of Disopyramide in HOCM?

When treating Hypertrophic Obstructive Cardiomyopathy (HOCM), Dosages of Disopyramide are adjusted for each individual based on their specific circumstances. The medication is typically introduced at low doses and escalated slowly as medically indicated, while physicians carefully observe patients' health and offer frequent evaluations to ensure optimal treatment outcomes.

What are Disopyramide drugs?

To address potentially fatal irregular heart rhythms, some medical professionals will recommend Disopyramide as a treatment option. This medication is classified as a Type 1A antiarrhythmic drug.

What are Disopyramide capsules?

Are you struggling with an irregular heartbeat? Disopyramide capsules may offer relief. By taking these oral antiarrhythmic medications, your heart rhythms have the potential to become more regulated and controlled.

What is Disopyramide CR?

For sustained and steady results with Disopyramide, medical professionals often prescribe Disopyramide CR. This controlled-release formulation releases the medication slowly over time, creating a consistent level of drug in the patient's body.

What are the adverse effects of Disopyramide?

One should be conscious of the potential negative impacts when taking Disopyramide. These unwanted outcomes can encompass dryness of the mouth. Urinary retention, constipation, dizziness and possible cardiovascular difficulties such as heart failure or arrhythmias.

Is Disopyramide an anticholinergic?

Without a doubt, Disopyramide exhibits anticholinergic traits which can trigger certain side effects like dry mouth, blurry vision, constipation and difficulty in urination.

What is the alternative to Disopyramide?

In circumstances where Disopyramide proves unsuitable, alternative treatments address arrhythmias. Options like Quinidine and Procainamide belong to the Class IA group of antiarrhythmic drugs, while different types may also be utilized contingent upon the specific disorder requiring attention.

Is Disopyramide used for atrial fibrillation?

Disopyramide has the potential to address certain variations of atrial fibrillation. Yet, the crucial step in this process would be consulting a healthcare professional and obtaining their supervision before proceeding.

Is Disopyramide available in Australia?

Certainly, Disopyramide is accessible within the borders of Australia, but it requires close monitoring by a certified healthcare professional.

Is Disopyramide used in HOCM?

It is a well-established practice to use Disopyramide as part of Hypertrophic Obstructive Cardiomyopathy (HOCM) treatment plans since it effectively reduces blockage in the left ventricular outflow tract.

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