Propafenone

Pronounced pro-PAF-en-one

Brand names: Rythmol

Type: Antiarrhythmic (heart rhythm medicine) · All Heart & Blood Pressure Medicines

What Propafenone is used for

  • Atrial fibrillation
  • Other fast heart rhythms in people without structural heart disease

Common side effects

  • Dizziness
  • Metallic taste
  • Nausea
  • Tiredness

Important cautions

  • Can worsen heart rhythms in people with structural heart disease or heart failure — it is not used in those situations
  • Interacts with several other medicines, including digoxin and warfarin

How it comes

Tablets, extended-release capsules. This guide lists forms only — it never lists strengths or doses.

Related medicines — Heart & Blood Pressure Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.