Rythmol Side Effects

While it can be difficult to know whether you will develop side effects while taking Rythmol, some of the commonly reported problems include an unusual taste, dizziness, and nausea. Reactions such as these tend to be minor and treated easily. However, this drug can also cause potentially dangerous problems, such as chest pain or unusual bleeding, which require immediate medical treatment.

An Introduction to Rythmol Side Effects

Just like any medicine, Rythmol® (propafenone) can cause side effects. However, not everyone who takes the medication will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
 
(This article covers many, but not all, of the possible side effects with Rythmol. Your healthcare provider can discuss a more complete list with you.)
 

Common Side Effects of Rythmol

Rythmol has been studied extensively in clinical trials. In these studies, the side effects that occurred in a group of people taking the drug were documented and (in some studies) compared to those that occurred in a similar group of people taking a placebo (a "sugar pill" that does not contain any active ingredients). As a result, it was possible to see what side effects occurred, how often they appeared, and how they compared to the placebo.
 
In these studies, the most common Rythmol side effects included:
 
  • An unusual taste, such as a metallic taste in the mouth -- in up to 23 percent of people
  • Dizziness -- up to 15 percent
  • Nausea and vomiting -- up to 11 percent
  • Constipation -- up to 8 percent
  • Headache -- up to 6 percent
  • Fatigue -- up to 6 percent
  • Blurred vision -- up to 6 percent
  • Dry mouth -- up to 6 percent
  • Diarrhea -- up to 6 percent.
 
Other common reactions, occurring in 1 percent to 5 percent of people, included:
 
  • Weakness
  • Shortness of breath
  • Chest pain
  • Heartburn or indigestion
  • Heart rhythm problems
  • Heart failure
  • Rash
  • Fainting
  • Loss of appetite
  • Abdominal (stomach) pain and cramps
  • Loss of muscle coordination
  • Insomnia
  • A slow heart rate
  • Anxiety
  • Fever
  • Ringing in the ears
  • Difficulty swallowing
  • Gas
  • Tremor
  • Swelling of the arms, hands, legs, ankles, or feet
  • Sweating
  • Drowsiness
  • Low blood pressure (hypotension)
  • Joint pain.
 
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Rythmol Medication Information

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