What do propafenone tablets do?
PROPAFENONE (Rythmol(R)) is an antiarrhythmic agent. Propafenone treats irregular heart rhythm and can slow rapid heartbeats (tachycardia). Propafenone can help your heart to return to and maintain a normal rhythm.
What should my health care professional know before I take propafenone?
They need to know if you have any of these conditions:
• asthma, chronic bronchitis, or emphysema
• high blood levels of potassium
• kidney disease
• liver disease
• other heart problems
• an unusual or allergic reaction to propafenone, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
How should I take this medicine?
Take propafenone tablets by mouth. Follow the directions on the prescription label. Swallow the tablets with a drink of water. 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.
What if I miss a dose?
If you miss a dose, take it as soon as you can. There should be an interval of 4 hours between doses. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What other medicines can interact with propafenone?
• medicines to control heart rhythm
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.
What side effects may I notice from taking propafenone?
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
• dry mouth
• nausea or vomiting
• tiredness or weakness