Rythmol is a prescription medication that is used to prevent serious heart rhythm disorders and to restore a regular, steady heartbeat. Rythmol contains the Class IC antiarrhythmic drug propafenone and works by blocking certain electrical signals and affecting the way that your heart beats.

Make sure to always read the patient information and instructions before using this medication. Always follow your doctor’s directions.

• Rythmol can be taken with or without food.
• You may need regular blood and heart function tests while taking Rythmol.
• This medication is most effective when taken regularly.
• Watch for signs of low blood pressure while taking this medication.

Tell your doctor and pharmacist:

• About your drug and other allergies.
• If you take any other prescription or over-the-counter medications.
• Your medical history particularly of heart failure, slow heartbeats, breathing disorders, shortness of breath, heart attack, AV block, low blood pressure, electrolyte imbalance, Brugada syndrome, sick sinus syndrome, liver disease, kidney disease, lupus or myasthenia gravis.
• If you are pregnant or planning pregnancy.
• If you are breast-feeding.
• If you have a pacemaker or defibrillator.

You should also know:

• Rythmol may affect male fertility. Speak to your doctor for more information.
• Grapefruit and grapefruit products may cause side effects.

Common side effects of Rythmol include but are not limited to:

• Irregular heartbeats.
• Nausea or vomiting.
• Headaches.
• Constipation.
• Dizziness or tiredness.
• An unusual or unpleasant taste in the mouth.

Get medical help if you have any of the following side effects of propafenone:

• A new or worsening heartbeat pattern.
• Fast or pounding heartbeats or a fluttering in the chest.
• Fever or chills.
• Sudden weight gain.
• Sudden dizziness or feeling like you might pass out.
• Shortness of breath.
• Sore throat.
• Swelling in the arms or legs.
• Symptoms of an allergic reaction such as difficulty breathing, hives, or swelling in your face, lips, or throat.

What should I do if I miss a dose of Rythmol?

If you miss a dose of Rythmol, you should take it as soon as you remember. However, if it is almost time for your next dose, then skip your missed dose.

What is the generic alternative to Rythmol?

Generic Rythmol is called propafenone. Both Rythmol and propafenone are available in strengths of 150mg and 300mg.