GNH USA

Europe — EMA

Multaq (Dronedarone)

GNH USA supplies Multaq (Dronedarone), a antiarrhythmic for maintenance of sinus rhythm in atrial fibrillation and atrial flutter. Request a quote for supply.

Dronedarone

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What is Dronedarone?

Dronedarone, the active ingredient in Multaq, is a antiarrhythmic presented as a tablet for oral use. It belongs to the class III antiarrhythmic agents and is indicated for the maintenance of sinus rhythm in patients with atrial fibrillation or atrial flutter within the European Union.

GNH USA supplies Multaq as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring quality‑assured shipments and regulatory compliance across global markets. The company adheres to stringent quality standards and provides comprehensive support for procurement and logistics.

What is Dronedarone used for?

Multaq (dronedarone) is used in the antiarrhythmic therapeutic area to maintain normal heart rhythm in specific atrial arrhythmias.

- Atrial fibrillation: helps maintain sinus rhythm in patients with paroxysmal or persistent AF. - Atrial flutter: helps maintain sinus rhythm in patients with typical atrial flutter. - Post‑cardioversion: used to sustain sinus rhythm after successful electrical or pharmacologic cardioversion.

What are the side effects of Dronedarone?

Dronedarone may cause a range of adverse reactions, which are categorized by frequency.

Common Side Effects: - Nausea - Diarrhoea - Abdominal pain - Headache - Dizziness - Fatigue

Serious or Rare Side Effects: - Liver injury (hepatitis, elevated transaminases) - Pulmonary toxicity (interstitial lung disease) - Severe skin reactions (Stevens‑Johnson syndrome) - QT interval prolongation - Worsening heart failure or new onset arrhythmias - Thromboembolic events

What precautions apply to Dronedarone?

When prescribing Multaq, clinicians should observe several precautionary measures to minimize risk.

- Cardiac function assessment: evaluate left ventricular ejection fraction before initiation. - Liver function monitoring: perform baseline and periodic liver enzyme tests. - Contraindicated in permanent atrial fibrillation: avoid use in patients with permanent AF. - Avoid in severe heart failure: do not use in patients with NYHA class III/IV heart failure. - Store at ambient temperature: keep tablets in the original container, protect from moisture and heat.

What does Dronedarone interact with?

Dronedarone interacts with several medicines; awareness of the interaction level guides clinical decisions.

Major Interactions (Avoid): - Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, clarithromycin): may increase dronedarone levels. - Digoxin: dronedarone can raise digoxin concentrations. - Amiodarone: additive antiarrhythmic effects increase risk of bradycardia. - St. John's wort: may reduce dronedarone exposure.

Moderate Interactions (Monitor Closely): - Warfarin: dronedarone may alter INR; monitor coagulation. - Beta‑blockers: combined effect can cause excessive bradycardia. - Antacids (aluminium or magnesium): may affect dronedarone absorption; separate dosing by at least 2 hours.

Frequently asked questions

What is Multaq used for?+
Multaq contains dronedarone and is prescribed to maintain sinus rhythm in patients with atrial fibrillation or atrial flutter. It helps prevent recurrence of these atrial arrhythmias after cardioversion or in chronic management, reducing the need for repeated interventions.
How does dronedarone work?+
Dronedarone blocks multiple cardiac ion channels, including potassium, sodium and calcium currents, and also has anti‑adrenergic activity. By prolonging the cardiac action potential and stabilising repolarisation, it reduces the likelihood of abnormal atrial electrical activity, supporting a regular heart rhythm.
What is the usual dose of Multaq?+
The dosage of Multaq is determined by the prescribing clinician based on the patient’s clinical condition, renal and hepatic function, and other medications. The prescriber will select the appropriate strength and dosing schedule in accordance with local prescribing guidelines.
Is Multaq safe during pregnancy or breastfeeding?+
Safety data for dronedarone in pregnancy and lactation are limited, and the product is generally not recommended for use in pregnant or nursing women. The potential risks to the fetus or infant should be weighed against the therapeutic benefit, and alternative treatments should be considered.
How do I order Multaq from GNH USA?+
To request Multaq, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.
How does Multaq compare with the main alternative drug?+
The primary alternative to dronedarone is amiodarone, another class III antiarrhythmic. Dronedarone generally has a shorter half‑life and fewer thyroid and pulmonary toxicities, but it may be less potent in some patients. Choice between the two depends on individual risk profiles, comorbidities and physician judgment.
How should Multaq be stored and handled?+
Multaq tablets should be stored at ambient temperature, below 25 °C, in the original blister pack or container. Protect them from moisture, direct sunlight and excessive heat to maintain stability and potency throughout the shelf‑life.
How is Multaq administered?+
Multaq is taken orally as a tablet, usually with food to improve absorption and reduce gastrointestinal discomfort. Patients should swallow the tablet whole with water and follow the dosing schedule prescribed by their healthcare provider.
What are the most serious risks associated with Multaq?+
Serious adverse events include liver injury, pulmonary toxicity, severe skin reactions such as Stevens‑Johnson syndrome, QT‑interval prolongation, and worsening heart failure. Patients should be monitored regularly for signs of these conditions, and therapy should be discontinued if they occur.
Who should not use Multaq?+
Multaq is contraindicated in patients with permanent atrial fibrillation, severe (NYHA class III/IV) heart failure, significant hepatic impairment, or known hypersensitivity to dronedarone. It should also be avoided in individuals taking strong CYP3A4 inhibitors or other drugs that may cause dangerous interactions.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.
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Product details

Drug
Dronedarone
Route
Oral Use
Manufacturer
Sanofi Winthrop Industrie
Origin
EU

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