Safely Buy Rythmol ER from Canada Prescriptions Plus.

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Formulation : ER 12H Capsule
Drug Name Dosage Quantity Price Buy Now
225mg 90 $363.20 Add To Cart
Dosage: 225mg
Quantity: 90
Price: $363.20


Rythmol ER is a drug used to prevent types of serious irregular heartbeats.

Propafenone is an anti-arrhythmic drug that helps maintain steady heartbeat. This helps prevent irregular heartbeats like paroxysmal supraventricular tachycardia and atrial fibrillation. When taken daily, Rythmol ER helps maintain heartbeat to reduce the risk of blood clots, heart attack, or stroke.

Dosage and Administration

The dose of Rythmol ER that is prescribed may vary depending on the irregular heartbeat being treated. Follow all instructions given by your healthcare provider and read packaging carefully to ensure the best response from treatment. Do not take more than prescribed.

  • Swallow capsules whole
  • Take with or without food
  • Most adults start by taking 225mg every 12 hours
  • Doses can increase in 5-day intervals to 325mg every 12 hours
  • Patients should not take more than 425mg every 12 hours
  • Store at room temperature away from children and pets

Side Effects

Rythmol ER may cause some side effects while regulating your heartbeat. Speak with your healthcare provider for more information regarding any symptoms that you might have.

Common Rythmol ER side effects:

  • Irregular heartbeats
  • Nausea, vomiting, constipation
  • Headache, dizziness, tiredness
  • Unusual or unpleasant taste in your mouth

Serious Side Effects

  • Shortness of breath
  • Swelling arms or legs
  • Sudden weight gain
  • Fever, chills, sore throat

Allergic Reactions

Do not take Rythmol ER if you are allergic to propafenone or any of the other capsule ingredients. Contact your healthcare provider right away if you notice any of the following signs of an allergic reaction:

  • Hives
  • Difficulty breathing
  • Swelling face, lips, tongue, or throat


  • Do not use Rythmol ER if you have any of the following conditions:
    • Heart failure
    • Brugada syndrome
    • Sick sinus syndrome
    • AV block
    • Severe low blood pressure
    • Very slow heartbeats
    • Severe electrolyte imbalance
    • Shortness of breath
    • Recent heart attack
  • Rythmol ER may lead to the development of a new or worse heartbeat pattern. Seek medical attention if you experience fast or pounding heartbeats, fluttering sensation in your chest, shortness of breath, sudden dizziness.
  • Before taking Rythmol ER, tell your healthcare provider if you have ever had any of the following conditions:
    • Breathing disorder
    • Liver or kidney disease
    • Lupus
    • Myasthenia gravis
    • Abnormal blood test called antinuclear antibody test
  • Tell your healthcare provider before using Rythmol ER if you have a pacemaker or defibrillator because they may need to be reprogrammed during treatment.
  • Ask your healthcare provider before using Rythmol ER if you are pregnant or breastfeeding.
  • Rythmol ER may affects fertility in men.
  • Avoid ingesting grapefruit while taking Rythmol ER because it can lead to unwanted side effects.
  • Some other drugs may interact with Rythmol ER and cause adverse reactions. Tell your healthcare provider about all the medications that you take, including over the counter medicines, but especially any of the following:
    • Amiodarone
    • Dofetilide
    • Flecainide
    • Pimozide
    • Procainamide
    • Quinidine
    • Sotalol
    • Macrolide antibiotics like erythromycin
    • Quinolone antibiotics like sparfloxacin
    • Asunaprevir
    • Desipramine
    • Ketoconazole
    • Orlistat
    • Phenobarbital
    • Phenytoin
    • Rifampin
    • Certain HIV protease inhibitors like ritonavir or tipranavir

Form and Strength

This heart rythm medication is available in the form of ER 12H capsules.

  • Rythmol ER 12H capsule strength:
    • 225 mg

The 225mg strength Rythmol ER 12H capsules are available in quantities of 90.


What foods to avoid while taking propafenone?

During treatment with Rythmol ER you should avoid grapefruit products. Ingesting grapefruit, especially in higher amounts, may lead to adverse side effects. You should also avoid taking other medications that affect your heart rhythm; discuss all the medications that you take with your healthcare provider before starting treatment.

What is the best time to take Rythmol ER?

You can take your Rythmol ER doses at any time of day without reducing the drug’s effect. Take your doses at the same time each day to ensure the amount of medication stays steady in your system. Ask your healthcare provider if you have any other questions or concerns.



Additional information

Other Names:

Propafenone ER



Quantities Available:



ER 12H Capsule