Notice: Images are for illustration only and may not reflect the exact product you receive. Brand-name medications may look different depending on their country of origin—Canadian versions, for example, often include a "PR" symbol on the packaging. Rest assured, the medication, dosage, and active ingredients will be exactly as prescribed. Canada Pharmacy Store is committed to your health and safety, and we work only with licensed pharmacies to ensure you receive trusted, high-quality medication every time.
General Medication Fact Sheet for Multaq
| Field | Information |
|---|---|
| Medication Name | Multaq |
| Generic Name | Dronedarone |
| Boxed/Label Warning | Multaq can cause serious liver problems, and should not be used in patients with severe heart failure or permanent atrial fibrillation. |
| Purpose | Antiarrhythmic medication used to treat atrial fibrillation and atrial flutter. |
| Mechanism of Action | Blocks multiple ion channels in the heart, prolonging the cardiac action potential and refractory period. |
| Dosage Forms | Oral tablets |
| Available Strengths | 400 mg |
| Dosage Frequency | Twice daily |
| Common Side Effects | Diarrhea, nausea, abdominal pain, vomiting, weakness. |
| Serious Side Effects | Liver damage, lung problems (pneumonitis, pulmonary fibrosis), worsening heart failure, QT prolongation. |
| Drug Interactions | Amiodarone, digoxin, warfarin, some beta-blockers, calcium channel blockers, certain antibiotics and antifungals. |
| Important Notes | Must be taken with food. Regular monitoring of liver function, kidney function, and EKG is required. Do not take if you have severe heart failure. |
| Storage | Store at room temperature away from moisture and heat. |
| Missed Dose | Take as soon as you remember unless it is almost time for your next dose. Do not double the dose. |
| Alternatives | Amiodarone, Sotalol, Flecainide, Propafenone. |
Multaq Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Amiodarone (Cordarone, Pacerone) | Blocks multiple ion channels; affects sodium, potassium, and calcium channels. | Effective but has a higher risk of long-term side effects. |
| Sotalol (Betapace) | Beta-blocker with Class III antiarrhythmic properties (potassium channel blocker). | Can prolong the QT interval, increasing the risk of torsades de pointes. |
| Flecainide (Tambocor) | Sodium channel blocker. | Used to maintain sinus rhythm; not for use in patients with structural heart disease. |
| Propafenone (Rythmol) | Sodium channel and beta-adrenergic blocker. | May cause bronchospasm in patients with asthma. |
Multaq Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Diarrhea | Liver damage |
| Nausea | Lung problems (pneumonitis, pulmonary fibrosis) |
| Abdominal pain | Worsening heart failure |
| Vomiting | QT prolongation |
| Weakness | Kidney problems (increased creatinine) |
Multaq Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Atrial Fibrillation/Flutter | 400 mg | 400 mg twice daily | Take with food. Do not exceed recommended dose. |
Multaq Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $50 |
| Without Insurance (U.S.) | $700 |
| From Canada | $229.39 |
