Flecainide ACETATE Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • Blurred Vision
  • Dizziness

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormal Heart Rhythm
  • Chest Pain
  • Chronic Heart Failure
  • Muscle Tremors
  • Rapid Ventricular Heartbeat
  • Supraventricular Arrhythmias, A Type Of Abnormal Heart Rhythm
  • Ventricular Premature Beats

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • Anxious Feelings
  • Constipation
  • Decreased Appetite
  • Depression
  • Generalized Weakness
  • Headache
  • Intense Abdominal Pain
  • Low Energy
  • Nausea
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Very Low Level Of Granulocytes
  • A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
  • Blockage Of Normal Bile Flow
  • Liver Failure
  • Prolonged QT Interval On EKG
  • Torsades De Pointes, A Type Of Abnormal Heart Rhythm
  • Ventricular Fibrillation, A Heart Rhythm Disorder

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.