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Side Effects

List phentermine-topiramate side effects by likelihood and severity.

The following side effects are associated with phentermine-topiramate:

Common side effects of phentermine-topiramate:

  • High Blood PressureSevere
  • Breast TendernessLess Severe
  • Cannot Focus ThoughtsLess Severe
  • Chronic Trouble SleepingLess Severe
  • Difficulty SpeakingLess Severe
  • Double VisionLess Severe
  • DrowsinessLess Severe
  • Feeling WeakLess Severe
  • FeverLess Severe
  • Involuntary Eye MovementLess Severe
  • Irregular PeriodsLess Severe
  • Loss of MemoryLess Severe
  • Low EnergyLess Severe
  • NervousLess Severe
  • Numbness and TinglingLess Severe
  • Painful PeriodsLess Severe
  • Problem BehaviorLess Severe
  • Weight LossLess Severe

Infrequent side effects of phentermine-topiramate:

  • Abnormal Heart RhythmSevere
  • Decreased White Blood CellsSevere
  • HivesSevere
  • InfectionSevere
  • Inflammation of Skin caused by an AllergySevere
  • Kidney StoneSevere
  • RashSevere
  • Reaction due to an AllergySevere
  • Abnormal Increase in Muscle ToneLess Severe
  • Aggressive BehaviorLess Severe
  • Altered Interest in Having Sexual IntercourseLess Severe
  • AnxiousLess Severe
  • BackacheLess Severe
  • Blurred VisionLess Severe
  • BronchitisLess Severe
  • Chest PainLess Severe
  • CoughLess Severe
  • DepressionLess Severe
  • DiarrheaLess Severe
  • Difficult or Painful UrinationLess Severe
  • DizzyLess Severe
  • Dry MouthLess Severe
  • Extreme Sense of Well BeingLess Severe
  • Fast HeartbeatLess Severe
  • Feeling RestlessLess Severe
  • Hair LossLess Severe
  • Head PainLess Severe
  • Heart Throbbing or PoundingLess Severe
  • HemorrhageLess Severe
  • Incomplete or Infrequent Bowel MovementsLess Severe
  • IndigestionLess Severe
  • Infection caused by a VirusLess Severe
  • Inflammation of the GumsLess Severe
  • Inflammation of the Lining of the Stomach and IntestinesLess Severe
  • Inflammation of the NoseLess Severe
  • Involuntary QuiveringLess Severe
  • Joint PainLess Severe
  • Loss of AppetiteLess Severe
  • Mental ImpairmentLess Severe
  • Mood ChangesLess Severe
  • NumbnessLess Severe
  • Pain in Arms or LegsLess Severe
  • Premature Ejection of SemenLess Severe
  • Ringing in the EarsLess Severe
  • Sinus Irritation and CongestionLess Severe
  • Slow Motor MovementLess Severe
  • Stomach CrampsLess Severe
  • Temporary Redness of Face and NeckLess Severe
  • Throat IrritationLess Severe
  • Throwing UpLess Severe
  • UncoordinatedLess Severe
  • Urinary Tract InfectionLess Severe
  • Visible Water RetentionLess Severe

Rare side effects of phentermine-topiramate:

  • AnemiaSevere
  • Angle-Closure Glaucoma caused by Another DiseaseSevere
  • AsthmaSevere
  • Blistering Skin DiseasesSevere
  • ConfusedSevere
  • Decreased SweatingSevere
  • Disease of Inadequate Blood Flow to the Heart MuscleSevere
  • Disease of the Macula of the EyeSevere
  • Erythema MultiformeSevere
  • Excess Body AcidSevere
  • HallucinationSevere
  • Having Thoughts of SuicideSevere
  • Heart Valve DiseaseSevere
  • HepatitisSevere
  • High Amount of Ammonium in the BloodSevere
  • Increased Pressure in the EyeSevere
  • Increased Pressure of Pulmonary CirculationSevere
  • Inflammation of the Skin with BlistersSevere
  • Liver FailureSevere
  • Mental Disorder with Loss of Normal Personality & RealitySevere
  • NearsightednessSevere
  • PancreatitisSevere
  • PneumoniaSevere
  • Stevens-Johnson SyndromeSevere
  • Toxic Epidermal NecrolysisSevere
  • AcneLess Severe
  • Bleeding Not Related to Menstrual PeriodLess Severe
  • Bloody UrineLess Severe
  • ChillsLess Severe
  • Condition in which Stomach Acid is Pushed Into the EsophagusLess Severe
  • Excessive SweatingLess Severe
  • Excessive ThirstLess Severe
  • Feel Like Throwing UpLess Severe
  • Feeling Unhappy or UnwellLess Severe
  • Flu-Like SymptomsLess Severe
  • Frequent UrinationLess Severe
  • Inability to have an ErectionLess Severe
  • ItchingLess Severe
  • Muscle PainLess Severe
  • NosebleedLess Severe
  • Pain in the EyeLess Severe
  • Pink EyeLess Severe
  • Problems with Bladder ControlLess Severe
  • Problems with EyesightLess Severe
  • Red EyesLess Severe
  • Sensation of Spinning or WhirlingLess Severe
  • Taste ProblemsLess Severe
  • Trouble BreathingLess Severe
  • Visual Field DefectLess Severe
  • Yeast Infection of Vagina and VulvaLess 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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