Rythmol (Propafenone) Patient Information: Missed a Dose and What Should I Avoid at RxList

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May 27, 2012

Rythmol

Atrial Fibrillation »

What is atrial fibrillation?

Atrial fibrillation (AF) is the most common, abnormal rhythm of the heart.

The heart contracts (beats) and pumps blood with a regular rhythm, for example, at a rate of 60 beats per minute there is a beat every second. The heart may beat faster or slower with a shorter or longer interval between beats, but at any one rate the interval between beats is constant. This regular rhythm occurs as a result of regular electrical discharges (currents) that travel through the heart and cause the muscle of the heart to contract. In atrial fibrillation, the electrical discharges are irregular and rapid and, as a result, the heart beats irregularly and, usually, rapidly.

Atrial fibrillation is common; half a million new cases are diagnosed yearly in the U.S., and billions of dollars are spent annually on its diagnosis and treatment.

What causes atrial fibrillation?

Normal function of the he...

Read the Atrial Fibrillation article »

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Rythmol Patient Information including If I Miss a Dose

What happens if I miss a dose (Rythmol)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Rythmol)?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include drowsiness, slow heart rate, feeling like you might pass out, or seizure (convulsions).

What should I avoid while taking propafenone (Rythmol)?

Grapefruit and grapefruit juice may increase your blood levels of propafenone which could lead to unwanted side effects. Discuss the use of grapefruit products with your doctor. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.

What other drugs will affect propafenone (Rythmol)?

Many drugs can interact with propafenone. Below is just a partial list. Tell your doctor if you are using:

cimetidine (Tagamet),
digoxin (digitalis, Lanoxin);
ketoconazole (Nizoral);
orlistat (alli, Xenical);
quinidine (Quinaglute, Quinidex, Quin-Release);
rifampin (Rifadin, Rifamate, Rimactane);
a blood thinner such as warfarin (Coumadin);
an antidepressant such as desipramine (Norpramin), fluoxetine (Prozac), imipramine (Tofranil), paroxetine (Paxil), sertraline (Zoloft), or venlafaxine (Effexor);
HIV or AIDS medication such as ritonavir (Norvir) or saquinavir (Invirase);
another heart rhythm medication such as amiodarone (Cordarone, Pacerone);
medicine to treat psychiatric disorders, such as haloperidol (Haldol); or
a beta-blocker such as atenolol (Tenormin), labetalol (Normodyne, Trandate), metoprolol (Lopressor, Toprol), propranolol (Inderal, InnoPran), sotalol (Betapace), timolol (Blocadren), and others.

This list is not complete and there may be other drugs that can interact with propafenone. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about propafenone.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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