Generic Name: propafenone, Oral tablet

Rythmol

All Brands

  • Rythmol
SECTION 1 of 4

Highlights for propafenone

Oral tablet
1
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.
2
This drug also comes in other forms, including Oral capsule
3 4 5
Talk to your healthcare provider if you have any of these conditions.
6
Know what to watch for and get tips for reducing your risks while taking this drug.
SECTION 2 of 4

propafenone Side Effects

Oral tablet

Side effects that you should report to your doctor or health care professional as soon as possible:

  • chest pain, palpitations
  • fever or chills
  • shortness of breath
  • swelling of feet or legs
  • trembling or shaking

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • blurred vision
  • changes in taste (a metallic or bitter taste)
  • constipation or diarrhea
  • dry mouth
  • headache
  • nausea or vomiting
  • tiredness or weakness
SECTION 3 of 4

propafenone May Interact with Other Medications

Oral tablet

Do not take this medicine with any of the following medications:

  • arsenic trioxide
  • certain antibiotics like clarithromycin, erythromycin, grepafloxacin, pentamidine, sparfloxacin, troleandomycin
  • certain medicines for depression or mental illness like amoxapine, haloperidol, maprotiline, pimozide, sertindole, thioridazine, tricyclic antidepressants, ziprasidone
  • certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
  • certain medicines for irregular heart beat like dofetilide, dronedarone
  • certain medicines for malaria like chloroquine, halofantrine
  • cisapride
  • droperidol
  • levomethadyl
  • ranolazine
  • ritonavir

This medicine may also interact with the following medications:

  • certain medicines for angina or blood pressure
  • certain medicines for asthma or breathing difficulties like formoterol, salmeterol
  • certain medicines that treat or prevent blood clots like warfarin
  • cimetidine
  • cyclosporine
  • digoxin
  • diuretics
  • local anesthetics
  • other medicines that prolong the QT interval (cause an abnormal heart rhythm)
  • rifampin
  • theophylline
Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. This information is not a substitute for medical advice. Always speak with your healthcare provider about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking.
SECTION 4 of 4

How to Use propafenone

Oral tablet

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 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
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 should I watch for while using this medicine?

Your condition will be monitored closely when you first begin therapy. Often, this drug is first started in a hospital or other monitored health care setting. Once you are on maintenance therapy, visit your doctor or health care professional for regular checks on your progress. Because your condition and use of this medicine carry some risk, it is a good idea to carry an identification card, necklace or bracelet with details of your condition, medications, and doctor or health care professional.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

If you are going to have surgery, tell your doctor or health care professional that you are taking this medicine.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Keep container tightly closed. Throw away any unused medicine after the expiration date.

What does the pill look like?

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Last Updated: July 14, 2014

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