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Zyban

Side Effects

List Zyban side effects by likelihood and severity.

The following side effects are associated with Zyban:

Common side effects of Zyban:

  • Feeling RestlessSevere
  • Abnormal DreamsLess Severe
  • AnxiousLess Severe
  • Cannot Focus ThoughtsLess Severe
  • Chronic Trouble SleepingLess Severe
  • DiarrheaLess Severe
  • DizzyLess Severe
  • Dry MouthLess Severe
  • Excessive SweatingLess Severe
  • Feel Like Throwing UpLess Severe
  • Head PainLess Severe
  • Heart Throbbing or PoundingLess Severe
  • Incomplete or Infrequent Bowel MovementsLess Severe
  • Stomach CrampsLess Severe
  • Weight LossLess Severe

Infrequent side effects of Zyban:

  • Abnormally Low Blood PressureSevere
  • ConfusedSevere
  • High Blood PressureSevere
  • HivesSevere
  • InfectionSevere
  • Altered Interest in Having Sexual IntercourseLess Severe
  • Blurred VisionLess Severe
  • BronchitisLess Severe
  • Chest PainLess Severe
  • CoughLess Severe
  • Difficulty SwallowingLess Severe
  • DrowsinessLess Severe
  • Dry SkinLess Severe
  • Easily Angered or AnnoyedLess Severe
  • Feeling WeakLess Severe
  • FeverLess Severe
  • Frequent UrinationLess Severe
  • GasLess Severe
  • Hearing ProblemLess Severe
  • Increased HungerLess Severe
  • IndigestionLess Severe
  • Involuntary QuiveringLess Severe
  • ItchingLess Severe
  • Joint PainLess Severe
  • Loss of AppetiteLess Severe
  • Migraine HeadacheLess Severe
  • Muscle PainLess Severe
  • MyoclonusLess Severe
  • Neck PainLess Severe
  • NervousLess Severe
  • NosebleedLess Severe
  • Painful, Red or Swollen MouthLess Severe
  • Problem with PeriodsLess Severe
  • RashLess Severe
  • Ringing in the EarsLess Severe
  • Temporary Redness of Face and NeckLess Severe
  • Throat IrritationLess Severe
  • Throwing UpLess Severe
  • UncoordinatedLess Severe

Rare side effects of Zyban:

  • A Feeling of Restlessness with Inability to Sit StillSevere
  • Abnormal Heart RhythmSevere
  • Abnormal Liver Function TestsSevere
  • Allergic Reaction caused by a DrugSevere
  • Behaving with Excessive Cheerfulness and ActivitySevere
  • DelusionsSevere
  • Disturbance in the Ability of the Eye to FocusSevere
  • Erythema MultiformeSevere
  • Giant HivesSevere
  • HallucinationSevere
  • Having Thoughts of SuicideSevere
  • Heart AttackSevere
  • HepatitisSevere
  • Hepatitis caused by DrugsSevere
  • Increased Pressure in the EyeSevere
  • Life Threatening Allergic ReactionSevere
  • Mental Disorder with Loss of Normal Personality & RealitySevere
  • Muscle Problems that cause Abnormal MovementSevere
  • PancreatitisSevere
  • ParanoiaSevere
  • SeizuresSevere
  • Stevens-Johnson SyndromeSevere
  • SuicidalSevere
  • Syndrome of Inappropriate Antidiuretic Hormone SecretionSevere
  • Thoughts of Hurting or Killing OthersSevere
  • Voluntary Movement DifficultySevere
  • Aggressive BehaviorLess Severe
  • Bleeding Not Related to Menstrual PeriodLess Severe
  • Dilated PupilLess Severe
  • False Sense of Well-BeingLess Severe
  • Feeling Anger Toward SomethingLess Severe
  • Feeling FaintLess Severe
  • Panic DisorderLess Severe
  • Problem BehaviorLess Severe
  • Puffy Face from Water RetentionLess Severe
  • Sun-Sensitive SkinLess Severe
  • Taste ProblemsLess Severe
  • Trouble BreathingLess Severe
  • Urination During the NightLess 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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