dronedarone vs rifampin

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Side-by-side comparison of dronedarone and rifampin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

moderate Known Drug Interaction

Rifampin and Other CYP3A Inducers Avoid rifampin or other CYP3A inducers such as phenobarbital, carbamazepine, phenytoin, and St.

Drug Class
dronedarone Class III Antiarrhythmic
rifampin Rifamycin Antibiotic
Type
dronedarone Prescription
rifampin Prescription
Summary
dronedarone

Multaq is a medicine that helps lower the risk of needing to stay in the hospital for atrial fibrillation (AFib). It is for people who have a history of AFib and are currently in normal heart rhythm.

rifampin

Rifampin is an antibiotic medicine. It fights bacteria in your body to treat infections.

What It Treats
dronedarone

Multaq is used to lower the risk of hospitalization if you have atrial fibrillation (AFib). AFib is an irregular heartbeat. This medicine is for people who used to have AFib, but are now in a normal heart rhythm.

rifampin

Rifampin treats tuberculosis (TB) and helps eliminate the bacteria that cause meningitis from your nose and throat. It is important to use rifampin only for infections that are proven or strongly suspected to be caused by bacteria. This helps to prevent bacteria from becoming resistant to the medicine.

How It Works
dronedarone

Multaq is an antiarrhythmic drug. It works by changing the electrical signals in the heart. This helps to keep your heart in a normal rhythm and prevent AFib from returning.

rifampin

Rifampin works by stopping bacteria from growing and multiplying. It does this by blocking a key enzyme that the bacteria need to make proteins. This helps your body fight off the infection.

Common Side Effects
dronedarone
  • Diarrhea
  • Nausea
  • Abdominal pain
  • Vomiting
  • Feeling weak or tired
rifampin
  • Heartburn
  • Upset stomach
  • Loss of appetite
  • Nausea
  • Vomiting
FAERS Reports
dronedarone
  • Atrial Fibrillation 1,420
  • Dyspnoea 838
  • Fatigue 615
  • Diarrhoea 477
  • Nausea 472
rifampin
  • Drug Interaction 970
  • Drug Reaction With Eosinophilia And Systemic Symptoms 727
  • Nausea 628
  • Condition Aggravated 550
  • Pyrexia 541
Serious Warnings
dronedarone

Multaq can increase the risk of death, stroke, and heart failure in patients with severe heart failure or permanent AFib. You should not take this medicine if you have severe heart failure that recently required hospitalization or if you have permanent AFib and will not be converted to a normal heart rhythm.

rifampin

Rifampin can cause liver problems. Tell your doctor right away if you have yellowing of the skin or eyes, dark urine, or stomach pain. Rifampin can also cause blood problems. Tell your doctor if you have unusual bleeding or bruising.

Pregnancy
dronedarone

Multaq can harm an unborn baby. If you are a woman who could become pregnant, use effective birth control while taking Multaq. Do not breastfeed while taking Multaq and for 5 days after your last dose.

rifampin

Tell your doctor if you are pregnant or plan to become pregnant. Rifampin can make birth control pills less effective, so use other forms of birth control. Talk to your doctor if you are breastfeeding.

Also Compare, Nearby Drugs

How to Read This dronedarone vs rifampin Comparison

dronedarone is classified in the Class III Antiarrhythmic drug class, while rifampin sits within the Rifamycin Antibiotic class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, dronedarone has 3,822 submissions while rifampin has 3,416. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known moderate interaction flagged in FDA labeling, attributed to rifampin speeds up the liver's ability to process dronedarone, which lowers the amount of medicine in your blood to levels that are too low.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for dronedarone or rifampin.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.