Rhythmol / Propafenone

What should I watch for while taking PROPAFENONE (or Rythmol®) ?

Visit your prescriber or health care professional for regular checks on your progress. Do not stop taking PROPAFENONE (or Rythmol®)  suddenly; this may cause serious, heart-related side effects. Because your condition and the use of PROPAFENONE (or Rythmol®)  carry some risk, it is a good idea to carry an identification card, necklace or bracelet with details of your condition, medications and prescriber or health care professional. Check your heart rate (pulse) and blood pressure regularly while you are taking PROPAFENONE (or Rythmol®) . Ask your prescriber or health care professional what your heart rate and blood pressure should be, and when you should contact him or her. Your prescriber or health care professional also may schedule regular blood tests and electrocardiograms to check your progress. You may feel dizzy or faint. Do not drive, use machinery, or do anything that needs mental alertness until you know how PROPAFENONE (or Rythmol®)  affects you. To reduce the risk of dizzy or fainting spells, do not sit or stand up quickly, especially if you are an older patient. Alcohol can make you more dizzy, increase flushing and rapid heartbeats. Avoid alcoholic drinks. If you are going to have surgery, tell your prescriber or health care professional that you are taking PROPAFENONE (or Rythmol®) .

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What side effects may I notice from taking PROPAFENONE (or Rythmol®) ?

Side effects that you should report to your prescriber 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 prescriber or health care professional if they continue or are bothersome): •blurred vision •changes in taste (a metallic or bitter taste) •constipation or diarrhea •dizziness •dry mouth •headache •nausea or vomiting •tiredness or weakness

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What drug(s) may interact with PROPAFENONE (or Rythmol®) ?

•arsenic trioxide •astemizole •bepridil •certain antibiotics (such as clarithromycin, erythromycin, gatifloxacin, gemifloxacin, grepafloxacin, levofloxacin, moxifloxacin, sparfloxacin) •cisapride •digoxin •ginger •hawthorn •medicines for angina or high blood pressure •medicines for asthma or breathing difficulties (such as formoterol or salmeterol) •some medicines for treating depression or mental illness (amoxapine, maprotiline, pimozide, phenothiazines, tricyclic antidepressants) •medicines to control heart rhythm •pimozide •probucol •terfenadine •warfarin Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

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What if I miss a dose of PROPAFENONE (or Rythmol®)?

If you miss a dose, take it as soon as you can. There should be an interval of at least 8 hours between doses. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

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How should I take PROPAFENONE (or Rythmol®) ?

Take PROPAFENONE (or Rythmol®)  extended-release capsules by mouth. Follow the directions on the prescription label. Swallow the capsules with a drink of water. Do not break or crush the capsules. Take your doses at regular intervals. Do not take your medicine more often than directed. Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.

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What should my health care professional know before I take PROPAFENONE (or Rythmol®) ?

They need to know if you have any of these conditions: asthma, chronic bronchitis, or emphysema heart disease high blood levels of potassium kidney disease liver disease an unusual or allergic reaction to PROPAFENONE (or Rythmol®) , other medicines, foods, dyes, or preservatives pregnant or trying to get pregnant breast-feeding

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What is PROPAFENONE (or Rythmol®)?

PROPAFENONE (or Rythmol®) is an antiarrhythmic agent. PROPAFENONE (or Rythmol®)  treats irregular heart rhythm and can slow rapid heartbeats (tachycardia). It  can help your heart to return to and maintain a normal rhythm.

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