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What is Multaq (Dronedarone) used for?

Multaq is used to treat Atrial Fibrillation, a heart rhythm problem. Multaq is used by people who have previously suffered from irregular heartbeat (paroxysmal or persistent atrial fibrillation) and now have a normal heart rate. Atrial fibrillation is reduced when you take it because it helps you keep a normal heart rhythm. Multaq is an antiarrhythmic agent medication that should not be used if you have permanent atrial fibrillation because of the increased risk of very serious side effects. As part of the Antidysrhythmics, III class of drugs, Multaq may be used alone or together with other medications. There is no information available on Multaq's safety and efficacy in children.

Multaq FAQs

How To Use Multaq?

As directed by your doctor, take this medication by mouth twice daily with food (once in the morning and once at night).

Take this medication with caution if your doctor or pharmacist says you can eat grapefruit or drink grapefruit juice while using it. If you are taking this medicine with grapefruit, you may experience side effects. You can find out more from your doctor or pharmacist.

Regular use of this medication will make it more effective for you. Make sure you take it at the same time each day to help you remember to take it. Multaq should not be stopped without your doctor's approval. Do not stop taking this medication if you feel well.

In order to lower your chances of getting serious blood clots, your doctor may also prescribe another medication ("blood thinner"/anticoagulant). It is important to follow the instructions provided by your doctor.

Do not hesitate to ask your doctor or pharmacist any questions about your medications. If your heartbeat or pulse becomes fast or irregular, seek medical attention immediately.

When talking to our doctor about Multaq, advise them if you have a personal or family history of worsening heart failure.

What are the possible side effects of Multaq?

The most commonly reported side effects of Multaq include:

  • feeling weak or tired
  • feeling short of breath
  • fluttering in your chest
  • redness
  • indigestion
  • nausea
  • shortness of breath
  • fast or pounding heartbeats
  • heart problems--swelling
  • increased thirst or urination
  • irregular heartbeats
  • low magnesium or potassium levels--dizziness
  • dry cough
  • shortness of breath
  • rapid weight gain
  • diarrhea
  • skin rash
  • itching
  • fluttering in your chest
  • sudden dizziness (like you might pass out)
  • muscle cramps or limp feeling
  • vomiting
  • stomach pain
  • little or no urination

There are other side effects that may occur that are not listed on this page.

Call your doctor for medical advice about side effects if you find them unmanageable.

What are Drug Interactions of Multaq?

Few known Drug Interactions of Multaq are listed below:

A complete list of Multaq Drug Interactions is not available on this page.

Consult your physician if you have any questions about this medicine's drug interactions.

How much does Multaq cost in Canada?

Starting price of Multaq 400mg cost in Canada
- 60 tabs - $181.65 USD ($3.03 per tabs)
- 120 tabs - $350.70 USD ($2.92 per tabs)
- 180 tabs - $513.45 USD ($2.85 per tabs)

Disclaimer: The information provided here is intended as supplementary information to that provided by your doctor. The guidance provided by your doctor supersedes any information provided on the website. Do not avoid or disregard any counseling from your licensed medical professional based on this information. If you have any medical questions that are not answered here, we do offer counseling from a licensed pharmacist.