Amiodarone is an antiarrhythmic sold in the U.S. under 3 brand and generic names, for supraventricular tachycardia and ventricular fibrillation. Below: what the FDA label says, every product that contains it, what the pills look like, and its recall record.
From the FDA label for Amiodarone Hydrochloride (application ANDA075761). Other amiodarone products — different forms, different strengths — are dosed differently. Follow the label for the one you were prescribed.
Amiodarone shows considerable interindividual variation in response. Although a starting dose adequate to suppress life-threatening arrhythmias is needed, close monitoring with adjustment of dose is essential. The recommended starting dose of amiodarone is about 1000 mg over the first 24 hours of therapy, delivered by the following infusion regimen: Table 1: AMIODARONE DOSE RECOMMENDATIONS: FIRST 24 HOURS Loading infusions First Rapid: 150 mg over the FIRST 10 minutes (15 mg/min). Add 3 mL of amiodarone (150 mg) to 100 mL D 5 W (concentration = 1.5 mg/mL). Infuse 100 mL over 10 minutes. Followed by Slow: 360 mg over the NEXT 6 hours (1 mg/min). Add 18 mL of amiodarone (900 mg) to 500 mL D 5 W (concentration = 1.8 mg/mL). Infuse 200 mL at a rate of 0.556 mL/min. Maintenance infusion 540 mg over the REMAINING 18 hours (0.5 mg/min ). Decrease the rate of the slow loading infusion to 0.278 mL/min. After the first 24 hours , continue the maintenance infusion rate of 0.5 mg/min (720 mg per 24 hours) utilizing a concentration of 1 to 6 mg/mL (Use a central venous catheter for amiodarone concentrations greater than 2 mg/mL). The rate of the maintenance infusion may be increased to achieve effective arrhythmia suppression. In the event of breakthrough episodes of VF or hemodynamically unstable VT, use 150 mg supplemental infusions of amiodarone (mixed in 100 mL of D 5 W and infused…
The following adverse reactions are described elsewhere in labeling: • Hypotension [see Warnings and Precautions ( 5.1 )] • Hepatic injury [see Warnings and Precautions ( 5.3 )] • Rhythm disturbances [see Warnings and Precautions ( 5.4 )] • Pulmonary injury [see Warnings and Precautions ( 5.5 )] • Thyroid injury [see Warnings and Precautions ( 5.7 )] • Hypersensitivity [see Warnings and Precautions ( 5.11 )] • The most common adverse reactions (1-2%) leading to discontinuation of intravenous amiodarone therapy are hypotension, asystole/cardiac arrest/pulseless electrical activity, VT, and cardiogenic shock. ( 6 ) • Other important adverse reactions are, torsade de pointes, congestive heart failure, and liver function test abnormalities. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Fresenius Kabi USA, LLC at 1-800-551-7176 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. In a total of 1836 patients in controlled and uncontrolled clinical trials, 14% of patients received intravenous amiodarone for at least one week, 5% received it for at least 2 weeks, 2% received it for at least…
Grapefruit & grapefruit juice
Avoid grapefruit and grapefruit juice with this medicine unless your pharmacist or the label says it's fine — check, because not every drug in a class is affected the same way.
Grapefruit Juice and Some Drugs Don't Mix — U.S. FDA ↗Same active ingredient — different manufacturer, form, price and FDA recall record. That last one is what our independent score measures.
| # | Drug | Rating | Type | Form | Generic? | Typical price | |
|---|---|---|---|---|---|---|---|
| 1 | 62/100 | Prescription | Injectable | Generic | $4 | View → | |
| 2 | Not yet rated | Prescription | Tablet | Generic | $4 |
Imprint codes, colour and shape from the FDA’s labelling data. Match the imprint on your pill — or search any imprint.
| Imprint | Strength | Colour | Shape | Maker |
|---|---|---|---|---|
| ZE;65 | 200 mg | white | round | — |
| TARO;56 | 200 mg | orange | round | — |
| UpArrowhead;54 | 200 mg | pink | round | — |
| UpArrowhead;54 | 200 mg | pink | round | — |
Sources: FDA openFDA drug label, National Drug Code Directory, and Enforcement (recall) database. This page reproduces public FDA data and is not medical advice. Dosing is set by your prescriber.
Amiodarone is contraindicated in patients with: • Known hypersensitivity to any of the components of Amiodarone Injection, including iodine. Hypersensitivity reactions may involve rash, angioedema, cutaneous/mucosal hemorrhage (bleeding), fever, arthralgias (joint pains), eosinophilia (abnormal blood counts), urticaria (hives), thrombotic thrombocytopenic purpura, or severe periarteritis (inflammation around blood vessels). • Cardiogenic shock. • Marked sinus bradycardia. • Second- or third-degree atrio-ventricular (AV) block unless a functioning pacemaker is available. Amiodarone is contraindicated in patients with ( 4 ): • Known hypersensitivity to any of the components of amiodarone, including iodine • Cardiogenic shock • Marked sinus bradycardia • Second- or third-degree atrio-ventricular (AV) block unless a functioning pacemaker is available.
Amiodarone is a substrate for CYP3A and CYP2C8, so inhibitors and inducers affect amiodarone exposure ( 7 ) • Amiodarone inhibits p-glycoprotein and CYP1A2, CYP2C9, CYP2D6, and CYP3A, increasing exposure to other drugs ( 7 ) 7.1 Pharmacodynamic Interactions Drugs prolonging the QT interval: Co-administration of drugs prolonging the QT interval (such as class I and III antiarrhythmics, lithium, certain phenothiazines, tricyclic antidepressants, certain fluoroquinolone and macrolide antibiotics, azole antifungals, halogenated inhalation anesthetic agents) increases the risk of Torsade de Pointes. In general, avoid concomitant use of drugs that prolong the QT interval [see Warnings and Precautions ( 5.4 )] . Drugs that slow heart rate: Concomitant use of drugs with depressant effects on the sinus and AV nodes (e.g., digoxin, beta blockers, verapamil, diltiazem, ivabradine, clonidine) can potentiate the electrophysiologic and hemodynamic effects of amiodarone, resulting in bradycardia, sinus arrest, and AV block. Monitor heart rate in patients on amiodarone and concomitant drugs that slow heart rate. 7.2 Pharmacokinetic Interactions Effect of other drugs on amiodarone Amiodarone is metabolized to the active metabolite desethylamiodarone (DEA) by the cytochrome P450 (CYP450) enzyme group, specifically CYP3A and CYP2C8. Amiodarone has the potential for…
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| 3 | Not yet rated | Prescription | Injectable | Generic | $4 | View → |