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  • Basic Info
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Generic: propafenone
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It is used to treat irregular heart rhythm and can slow rapid heartbeats

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What is this medicine?

PROPAFENONE (proe pa FEEN one) is an antiarrhythmic agent. It is used to treat irregular heart rhythm and can slow rapid heartbeats. This medicine can help your heart to return to and maintain a normal rhythm.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • heart disease
  • high blood levels of potassium
  • kidney disease
  • liver disease
  • low blood pressure
  • lung disease like asthma, chronic bronchitis or emphysema
  • pacemaker
  • slow heart rate
  • an unusual or allergic reaction to propafenone, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast- feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. You can take this medicine with or without food. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • arsenic trioxide
  • certain antibiotics like clarithromycin, erythromycin, grepafloxacin, sparfloxacin, troleandomycin
  • cisapride
  • droperidol
  • levomethadyl
  • medicines for malaria like chloroquine or halofantrine
  • medicines to control heart rhythm
  • pentamidine
  • pimozide
  • ranolazine
  • ritonavir
  • sertindole
  • some medicines for treating depression or mental illness like amoxapine, haloperidol, maprotiline, pimozide, phenothiazines, tricyclic antidepressants
  • ziprasidone

This medicine may also interact with the following medications:

  • cimetidine
  • cyclosporine
  • digoxin
  • diuretics
  • local anesthetics
  • medicines for angina or high blood pressure
  • medicines for asthma or breathing difficulties like formoterol or salmeterol
  • rifampin
  • theophylline
  • warfarin

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