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varenicline

Side Effects

List varenicline side effects by likelihood and severity.

The following side effects are associated with varenicline:

Common side effects of varenicline:

  • Abnormal DreamsLess Severe
  • Chronic Trouble SleepingLess Severe
  • Feel Like Throwing UpLess Severe
  • GasLess Severe
  • Head PainLess Severe
  • Incomplete or Infrequent Bowel MovementsLess Severe
  • Throwing UpLess Severe

Infrequent side effects of varenicline:

  • AnginaSevere
  • Trouble BreathingSevere
  • Acute Infection of the Nose, Throat or SinusLess Severe
  • Condition in which Stomach Acid is Pushed Into the EsophagusLess Severe
  • DrowsinessLess Severe
  • Dry MouthLess Severe
  • Excessive SweatingLess Severe
  • Feeling WeakLess Severe
  • Increased HungerLess Severe
  • IndigestionLess Severe
  • ItchingLess Severe
  • Loss of AppetiteLess Severe
  • Low EnergyLess Severe
  • NightmaresLess Severe
  • Not Feeling WellLess Severe
  • RashLess Severe
  • Runny NoseLess Severe
  • SluggishnessLess Severe
  • Stomach CrampsLess Severe

Rare side effects of varenicline:

  • Abnormal Heart RhythmSevere
  • Abnormal Liver Function TestsSevere
  • AnemiaSevere
  • AnxiousSevere
  • Behaving with Excessive Cheerfulness and ActivitySevere
  • Chest PainSevere
  • DelusionsSevere
  • DepressionSevere
  • DiabetesSevere
  • Erythema MultiformeSevere
  • Giant HivesSevere
  • HallucinationSevere
  • Having Thoughts of SuicideSevere
  • Heart AttackSevere
  • High Blood PressureSevere
  • InjurySevere
  • Mental Disorder with Loss of Normal Personality & RealitySevere
  • Panic DisorderSevere
  • ParanoiaSevere
  • SeizuresSevere
  • Stevens-Johnson SyndromeSevere
  • StrokeSevere
  • SuicidalSevere
  • Thoughts of Hurting or Killing OthersSevere
  • Transient Ischemic AttackSevere
  • UnconsciousSevere
  • Aggressive BehaviorLess Severe
  • BackacheLess Severe
  • Cannot Focus ThoughtsLess Severe
  • CrampsLess Severe
  • DiarrheaLess Severe
  • Disturbance of AttentionLess Severe
  • DizzyLess Severe
  • Excess UrinationLess Severe
  • Feeling Anger Toward SomethingLess Severe
  • Feeling RestlessLess Severe
  • Flu-Like SymptomsLess Severe
  • Heart Throbbing or PoundingLess Severe
  • HivesLess Severe
  • Joint PainLess Severe
  • Mood ChangesLess Severe
  • Muscle PainLess Severe
  • NosebleedLess Severe
  • Peripheral Vascular DiseaseLess Severe
  • Problem BehaviorLess Severe
  • Problem with PeriodsLess Severe
  • Problems with EyesightLess Severe
  • Reaction due to an AllergyLess Severe
  • Ringing in the EarsLess Severe
  • Sensation of Spinning or WhirlingLess Severe
  • Sleep DisorderLess Severe
  • Swollen Lymph NodesLess Severe
  • Taste ProblemsLess Severe
  • Temporary Redness of Face and NeckLess Severe
  • Visible Water RetentionLess Severe
  • Weight GainLess Severe

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

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.

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