Clinical Effects

In general, Pacerone is a very effective antiarrhythmia medication. However, its actual effectiveness depends on several factors, such as:
  • The type and severity of the arrhythmia being treated
  • Whether a person responds to and is able to tolerate the medication
  • Whether other antiarrhythmia medicines are being used.
In clinical trials, 20 percent to 40 percent of people who tolerated and responded to Pacerone well enough to continue treatment for at least a year experienced a recurrence of their arrhythmia.

When and How to Take It

Some general considerations to keep in mind during treatment with Pacerone include the following:
  • This medication comes in tablet form. It is usually taken by mouth once a day, although some people may need to take it twice a day.
  • You will be started on Pacerone in the hospital so your condition can be closely monitored. You will probably need to stay in the hospital for at least a week.
  • You should avoid drinking grapefruit juice while taking this medication, as it can increase the level of Pacerone in your body.
  • You can take this medication with or without food; however, make sure you take it the same way each time. Try taking it with food if it seems to bother your stomach.
  • Take your Pacerone doses at the same time each day to keep an even level of the drug in your bloodstream.
  • You will likely be started on a high dose of Pacerone that will be gradually reduced. Make sure to follow your individual dosage instructions carefully.
  • 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.
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Pacerone Medication Information

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