Quinidine Sulfate Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • Decreased Appetite
  • Diarrhea
  • Nausea
  • Stomach Cramps
  • Taste Impairment
  • Temporary Redness Of Face And Neck
  • Vomiting

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Fever As A Result Of Taking The Medication
  • A Skin Rash
  • Fainting
  • Hives
  • Inflammation Of The Skin Due To An Allergy
  • Itching
  • Low Blood Pressure
  • Poisoning By Cinchona, Quinidine Or Quinine
  • Trouble Breathing
  • Wheezing

If experienced, these tend to have a Less Severe expression

  • Confusion

RARE side effects


If experienced, these tend to have a Severe expression

  • Anemia
  • Decreased Blood Platelets
  • Prolonged QT Interval On EKG
  • Rapid Ventricular Heartbeat
  • Torsades De Pointes, A Type Of Abnormal Heart Rhythm
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

  • Accidental Falls
  • Poisoning Caused By Anticholinergic Medication

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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.