What is Amiodarone?
Amiodarone is a generic anti-arrhythmic drug used to treat serious heart rhythm problems. It helps control irregular heartbeats that can be dangerous or life-threatening. This drug works by slowing down electrical signals in the heart, allowing it to beat more normally and regularly.
It is often prescribed when other treatments do not work or are not suitable. Amiodarone is known for its effectiveness, but it must be used carefully under medical supervision because it can affect different organs when used for a long time.
Indications and Benefits of Amiodarone
Amiodarone is approved by the U.S. Food and Drug Administration (FDA) for treating life-threatening ventricular arrhythmias, which are fast and abnormal heart rhythms that start in the lower chambers of the heart.
It is also widely used off-label for several other heart rhythm conditions. This drug helps restore a regular heartbeat and reduces the risk of sudden cardiac events in high-risk patients.
What Are the Benefits of Amiodarone?
- Amiodarone helps control life-threatening ventricular arrhythmias that can cause cardiac arrest if left untreated.
- It supports advanced cardiac life support (ACLS) procedures by managing ventricular fibrillation and pulseless ventricular tachycardia.
- It helps patients with wide complex tachycardia, a type of fast heartbeat that originates from the ventricles.
- It can stabilize heart rhythm in atrial fibrillation, which is a rapid and irregular heartbeat that starts in the upper chambers of the heart.
- It is effective in patients who cannot tolerate other drugs due to heart failure or low heart pumping ability.
- It helps manage atrial flutter, a condition where the heart beats too fast but in a regular pattern.
- It is used off-label in both adults and children to treat supraventricular tachycardia, a fast heart rate starting above the ventricles.
- It can be used in Pediatric Advanced Life Support (PALS) to treat ventricular fibrillation and pulseless ventricular tachycardia in children.
- It helps prevent the recurrence of dangerous heart rhythm problems in patients who are at high risk.
- It can improve the chances of restoring normal heart rhythm after a cardiac arrest by supporting the return of spontaneous circulation.
Fact Table
| Fact Category | Fact Details |
| Generic Name | Amiodarone |
| Amiodarone Class | Anti-arrhythmic drug (Class III) that helps control abnormal heart rhythms |
| Primary Use | Used to treat life-threatening heart rhythm disorders such as ventricular tachycardia and ventricular fibrillation |
| Additional Benefit | Helps stabilize irregular heartbeats, prevents recurrence of dangerous arrhythmias, and can be used off-label for atrial fibrillation and supraventricular tachycardia |
| Available Form | Tablets for oral use and an injectable solution for intravenous (IV) use |
| Method of Administration | Taken by mouth with or without food, or given through an IV infusion in a hospital setting |
| Frequency | Usually taken once or twice daily for oral doses; IV dosing depends on hospital protocols and patient response |
| Storage Instructions | Store at room temperature away from moisture, heat, and direct light; keep tightly closed and out of reach of children |
| Pregnancy and Breastfeeding | Not recommended during pregnancy as it may harm the baby and affect growth or thyroid function; breastfeeding should be avoided during treatment and for several months after stopping due to long clearance time |
| Drug Interactions | May interact with grapefruit, St. John’s wort, and other drugs that affect heart rhythm, liver function, or thyroid activity; always consult a doctor before combining it with other treatments |
| Manufacturer | Available from several generic manufacturers, including Teva Pharmaceuticals, Sandoz, and Mylan |
How It Works
Amiodarone works by helping the heart beat in a steady and regular way. It belongs to a group of drugs called Class III anti-arrhythmics, which control abnormal heart rhythms. It mainly works by blocking potassium channels in the heart.
This slows down the electrical signals that cause the heart to contract, allowing the heart more time to reset between beats.
As a result, the heartbeat becomes more stable and less likely to turn into a dangerous rhythm.
Amiodarone also blocks other channels in the heart, such as sodium and calcium channels, and reduces the effects of certain stress hormones on the heart.
These combined actions help control fast or irregular heartbeats and support a normal heart rhythm.
Brand Name Options
- Cordarone
- Pacerone
Dosage
Amiodarone dosing depends on the patient’s condition, age, and the route of administration. It is available in both tablet and injectable forms and is used to manage life-threatening heart rhythm disorders.
The dose is often started high and then reduced to a maintenance dose once the heart rhythm becomes stable.
Before you buy amiodarone in Canada or buy amiodarone online, it is important to follow your doctor’s exact instructions to avoid complications such as amiodarone side effects, amiodarone drug interactions, or amiodarone withdrawal symptoms.
Always seek medical guidance before adjusting your dose or stopping the treatment.
What Dosage Strengths Does Amiodarone Come In?
- 100 mg tablets
- 200 mg tablets
- 400 mg tablets
- Injectable solution for intravenous (IV) or intraosseous (IO) use
Dosage Chart
| Population or Condition | Recommended Dosage | Notes |
| Initial Loading Dose (Adults) | 800 – 1600 mg per day, divided into several doses, for 1 to 3 weeks | This loading phase helps control irregular heart rhythms quickly |
| Adjustment Phase (Adults) | Gradually reduce the dose based on response and tolerance | Dose tapering prevents excessive drug buildup and reduces amiodarone side effects |
| Maintenance Dose (Adults) | 200 – 400 mg per day | This amiodarone maintenance dose maintains a stable heart rhythm long-term |
| Amiodarone Maximum Dose per Day | Up to 1600 mg during the loading phase under close medical supervision | Higher doses increase the risk of liver, thyroid, and lung problems |
| Ventricular Arrhythmia (IV) | 150 mg IV over 10 minutes, followed by 1 mg/min for 6 hours, then 0.5 mg/min for 18 hours | Used in hospitals for severe or unstable cases |
| Amiodarone Dose for Cardiac Arrest (ACLS) | 300 mg IV or IO as a single dose, may repeat 150 mg once if needed | Commonly used in emergencies to restore the heart rhythm |
| Atrial Fibrillation (Off-Label, IV) | 150 mg IV over 10 minutes, then 1 mg/min for 6 hours, then 0.5 mg/min for 18 hours | Helps control fast or irregular heartbeats |
| Atrial Fibrillation (Off-Label, Oral) | Start with 600–800 mg per day, then reduce to 200 mg daily | Take with meals to prevent stomach discomfort |
| Wide Complex Tachycardia (ACLS) | 150 mg IV over 10 minutes followed by continuous infusion | Monitored through ECG and hospital supervision |
| Pediatric (Off-Label) | Oral: 5 – 10 mg/kg per day for 7-10 days | Dose adjusted based on weight and medical response |
| PALS VF/Pulseless VT (Children) | 5 mg/kg IV or IO (maximum 300 mg per dose) | Follows Pediatric Advanced Life Support (PALS) guidelines |
| Older Adults | Start at the lower end of the dose range | More sensitive to amiodarone’s common side effects, such as bradycardia and low blood pressure |
| Hepatic Impairment | Reduce total daily dose | Liver function should be checked regularly |
| Renal Impairment | No dose adjustment needed | Safe to use in patients with kidney disease |
| Pregnancy | Use only if clearly needed | May cause thyroid or heart rhythm issues in the baby |
| Breastfeeding | Avoid during and for months after treatment | The drug can remain in the body for a long time and pass into breast milk |
Usage Guide
When you buy Amiodarone in Canada or take it as part of your heart rhythm treatment, it is important to follow your doctor’s directions carefully. Taking Amiodarone properly helps control irregular heartbeat and lowers the risk of side effects.
Always use it under medical supervision and never adjust your dose on your own.
How do you take Amiodarone?
- Take Amiodarone exactly as your doctor prescribes, following the instructions on your prescription label.
- Swallow the tablet with a full glass of water, either with food or without, but try to take it the same way each time.
- Take your doses at the same time every day to maintain a steady amount of Amiodarone in your system.
- Do not take more or less than the prescribed amount, and do not take it more often than directed.
- If you miss a dose, take it as soon as you remember, unless it is almost time for your next dose. Do not double up on doses.
- Attend all regular check-ups so your doctor can monitor your heart rhythm, liver function, and thyroid levels.
- Avoid drinking grapefruit juice while taking Amiodarone, as it can change how the drug works in your body.
- Contact your doctor right away if you experience trouble breathing, blurry vision, skin color changes, or extreme tiredness.
- Never stop taking Amiodarone suddenly, as this may cause your heart rhythm to worsen. Always talk to your doctor before making any changes.
- Store Amiodarone tablets in a cool, dry place, away from heat and direct sunlight, and keep them out of reach of children.
Side Effects
Common Side Effects
- Nausea
- Vomiting
- Constipation
- Loss of appetite
- Fatigue
- Dizziness
- Tremor
- Trouble sleeping
- Metallic taste
- Corneal microdeposits
- Visual halos
- Sensitivity to light
- Skin discoloration (blue or gray tone)
- Photosensitivity
- Itching or rash
Severe Side Effects
- Shortness of breath
- Persistent cough
- Chest pain
- Irregular heartbeat
- Slow heart rate (bradycardia)
- Fainting
- Severe dizziness
- Vision changes or loss of vision
- Optic neuropathy
- Thyroid problems (hypothyroidism or hyperthyroidism)
- Weight loss or gain linked to thyroid changes
- Liver toxicity
- Yellowing of skin or eyes (jaundice)
- Dark urine
- Numbness or tingling in hands or feet
- Muscle weakness
- Severe skin reactions
- Swelling in the legs or ankles
- Severe allergic reactions (swelling of face, lips, or throat)
- Pulmonary toxicity (lung inflammation or scarring)
- Ataxia or loss of coordination
- Peripheral neuropathy
- Erectile dysfunction
Missed Dose
If you forget to take a dose of Amiodarone, skip the missed dose and take your next dose at the regular time. Do not take two doses at once to make up for it. Taking extra doses can increase the risk of side effects of Amiodarone, such as dizziness, fatigue, or irregular heartbeat. To help you remember, try to take your Amiodarone dose at the same time each day.
Overdose
Taking too much Amiodarone can be dangerous. If an overdose occurs, call the poison control helpline at 1-800-222-1222 or visit poisonhelp.org for guidance. In serious situations like fainting, slow heartbeat, breathing difficulty, or if the person cannot be awakened, call 911 right away.
Symptoms of overdose may include nausea, blurred vision, lightheadedness, and a slow or irregular heartbeat.
Storage Information
Store amiodarone at room temperature between 20 celsius and 25 celsius. Keep it away from heat, moisture, and direct sunlight.
Do not store this medication in the bathroom or any damp place. Always keep it out of reach of children and pets. If you have tablets that are expired or not needed, ask your pharmacist or doctor how to dispose of them safely.
Warnings
- Tell your doctor if you are allergic to amiodarone, iodine, or any ingredients in the tablets.
- Inform your doctor about all medications, supplements, or vitamins you are using to avoid dangerous amiodarone drug interactions.
- Avoid taking amiodarone with grapefruit or grapefruit juice because it can affect how the drug works in your body.
- Let your doctor know if you have liver, lung, thyroid, or heart problems before starting amiodarone.
- Avoid long exposure to sunlight and always wear sunscreen since amiodarone can make your skin more sensitive and may cause blue-gray discoloration.
- Have regular eye checkups during treatment because amiodarone can cause vision problems such as blurred vision, halos, or, in rare cases, blindness.
- Tell your doctor if you are pregnant or planning to become pregnant, since amiodarone can harm an unborn baby.
- Do not breastfeed while taking amiodarone, as the drug can pass into breast milk.
- Inform your dentist or surgeon if you are using amiodarone before any surgical or dental procedures.
- Older adults should use amiodarone with caution because they are more likely to experience side effects of amiodarone.
- Keep all follow-up appointments for heart, lung, liver, and thyroid monitoring while on amiodarone therapy.
- Never stop taking amiodarone suddenly; doing so may cause serious amiodarone withdrawal symptoms.
Boxed Warning and Precautions for Amiodarone
| Amiodarone carries a boxed warning because it can cause serious and sometimes life-threatening side effects. It should only be used when other treatments are not effective or suitable. This drug may lead to severe lung, liver, or heart rhythm problems that require immediate medical attention. Always follow your doctor’s instructions carefully and attend regular checkups to monitor your heart, thyroid, and liver function. Since amiodarone remains in the body for several months after stopping, its effects may continue even after treatment ends. |
Contraindications
- Amiodarone should not be used in people who have second- or third-degree heart block unless they have a working pacemaker.
- It should be avoided in those with a heart condition called Wolff-Parkinson-White syndrome when atrial fibrillation is present.
- Amiodarone is not suitable for people who already have a long QT interval or congenital long QT syndrome, as it can worsen abnormal heart rhythms.
- Individuals who are allergic to amiodarone or its ingredients should not take it.
- People with a known allergy to iodine should be carefully evaluated before using amiodarone.
- Patients with electrolyte imbalances, such as high potassium levels, should have these corrected before starting amiodarone.
- Those experiencing arrhythmias that look similar to ventricular tachycardia due to other drug toxicity should not take amiodarone, as it can cause serious complications.
- Amiodarone should be used with caution in patients with low blood pressure or weak heart function.
- It should not be used in people who have severe liver disease.
- For patients with atrial fibrillation and a rapid heart rate, reversible causes like infection, dehydration, or low oxygen should be treated first before using amiodarone.
Interactions
Amiodarone can interact with many other medicines, which may increase side effects or change how either drug works.
These interactions happen because amiodarone affects liver enzymes that process medications. To avoid problems, patients should talk to their doctor before taking any new medicine.
Avoid grapefruit or grapefruit juice while using amiodarone because it can raise the level of the drug in the body.
Common amiodarone interactions include:
- Warfarin
- Digoxin
- Beta-blockers (metoprolol, propranolol)
- Calcium channel blockers (verapamil, diltiazem)
- Statins (simvastatin, atorvastatin)
- Phenytoin
- Cyclosporine
- Antidepressants (SSRIs, tricyclic antidepressants)
- Other antiarrhythmic drugs (quinidine, procainamide)
- Hepatitis C medications (ledipasvir, sofosbuvir)
- Macrolide antibiotics (erythromycin, clarithromycin)
- Quinolone antibiotics
- Azole antifungals (itraconazole, ketoconazole)
- Cimetidine
- Protease inhibitors (indinavir)
- Rifampin and other rifamycins
- St John’s wort
Alternatives
- Dronedarone
- Sotalol
- Flecainide
- Propafenone
- Quinidine
- Procainamide
- Disopyramide
- Mexiletine
- Lidocaine
Buying Amiodarone From Canada
Many people in the United States choose to buy amiodarone in Canada because it is more affordable and convenient.
Canadian pharmacies like Buy Canadian Insulin provide the same high-quality generic amiodarone used for heart rhythm conditions.
When you buy amiodarone online, you receive authentic medication from licensed Canadian pharmacies that meet strict safety standards. Ordering is simple, secure, and helps you save money while maintaining your heart treatment effectively.
How Much Does Amiodarone Cost in Canada?
The amiodarone cost in Canada depends on the dosage and form you select. Here are the current prices available:
- 100mg (28 tablets) – $34.95
- 200mg (28 tablets) – $17.95
- 200mg (100 tablets) – $105.95
- 50mg/mL (1 vial) – $256.35
- Amiodarone Injection 50mg/mL (1 vial) – $486.55
When you buy amiodarone in Canada, you can save significantly compared to U.S. pharmacy prices while still receiving safe and approved medication.
Can I Buy Amiodarone in Canada from the USA?
Yes, U.S. residents can easily buy amiodarone online from licensed Canadian pharmacies. Buy Canadian Insulin ships directly to any U.S. address, ensuring you get the same medication your doctor prescribed but at a lower cost.
The process is legal, safe, and ideal for patients seeking affordable heart care solutions. By choosing to buy amiodarone in Canada, you gain access to top-quality treatment at a better price.
Do I Need a US Prescription to Buy Amiodarone in Canada?
Yes, you need a valid prescription from a licensed healthcare provider to buy amiodarone in Canada. You can upload your prescription during checkout or send it by email or fax.
Our pharmacy team carefully reviews and verifies all prescriptions before shipping your order. This ensures that every patient who chooses to buy amiodarone online receives safe, authentic, and properly dispensed medication.
How Does Shipping Amiodarone from Canada to the U.S. Work?
Shipping amiodarone from Canada to the U.S. is quick and reliable. Once your prescription is verified, your order is processed within 1 – 2 business days. Delivery usually takes 7–10 business days.
All buy amiodarone online orders are shipped in secure, temperature-controlled packaging to protect quality during transit.
Tracking details are provided for every order, and all shipments follow U.S. and Canadian safety standards, ensuring that your medication arrives safely and on time.
Frequently Asked Questions
Disclaimer
Pharma Giant provides medical information to help you better understand medications and medical conditions.This content is for informational use only and does not replace advice from a licensed medical practitioner. Consult your doctor or pharmacist before starting or changing any medication. All our partners follow strict safety standards set by their country’s health authorities to make sure you receive safe and high-quality medications.
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