Heart Home > Rythmol Dosage

Rythmol tablets are usually taken three times a day, every eight hours, to treat certain irregular heart rhythms. The specific dosage of Rythmol your healthcare provider prescribes will depend on how you respond to the medication, other existing medical problems you have, and various other factors. Some people may need to start this medicine in the hospital, where they can be carefully monitored.

An Introduction to Dosing With Rythmol

The dose of Rythmol® (propafenone) your healthcare provider recommends will vary, depending on a number of factors, including:
  • How you respond to the medication
  • Other medical conditions you may have.
As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.

What Is the Recommended Rythmol Dosage?

The usual recommended initial Rythmol dosage is 150 mg every eight hours. Your healthcare provider may gradually increase this amount, no more often than every three to four days, to 225 mg every eight hours. If necessary, the dose may be increased again to 300 mg every eight hours, which is the maximum recommended dose.
You may need to begin treatment in a hospital setting, where you can be closely monitored until you are at an effective dose. Older adults and people with evidence of heart damage may need to start on lower amounts.

General Information on Taking Rythmol

Some considerations to keep in mind during treatment with Rythmol include the following:
  • Rythmol comes in the form of a tablet. It is usually taken by mouth three times a day, every eight hours.
  • This medication can be taken with or without food. Try taking it with food if it seems to bother your stomach.
  • Take your Rythmol doses at the same time each day to keep an even level of the drug in your bloodstream.
  • For the medication to work properly, it must be taken as prescribed. Do not stop taking it, even if you feel well, as your irregular heartbeat may return.
  • If you are unsure about anything related to your dosage or Rythmol dosing in general, please talk with your healthcare provider or pharmacist.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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