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omeprazole

Side Effects

List omeprazole side effects by likelihood and severity.

The following side effects are associated with omeprazole:

Common side effects of omeprazole:

  • Head PainLess Severe
  • Stomach CrampsLess Severe

Infrequent side effects of omeprazole:

  • Acute Infection of the Nose, Throat or SinusSevere
  • BackacheLess Severe
  • Chest PainLess Severe
  • CoughLess Severe
  • DiarrheaLess Severe
  • DizzyLess Severe
  • Feel Like Throwing UpLess Severe
  • Feeling WeakLess Severe
  • FeverLess Severe
  • GasLess Severe
  • Incomplete or Infrequent Bowel MovementsLess Severe
  • ItchingLess Severe
  • Throwing UpLess Severe

Rare side effects of omeprazole:

  • Abnormal Heart RhythmSevere
  • Abnormal Liver Function TestsSevere
  • Acquired Decrease of All Cells in the BloodSevere
  • AnemiaSevere
  • Atrophic GastritisSevere
  • Bloody UrineSevere
  • Broken BoneSevere
  • BronchospasmSevere
  • Clostridium Difficile Bacteria Related ColitisSevere
  • Decreased Blood PlateletsSevere
  • Decreased Neutrophils a Type of White Blood CellSevere
  • Deficiency of Granulocytes a Type of White Blood CellSevere
  • Elevation of Proteins in the UrineSevere
  • Erythema MultiformeSevere
  • Fungal Infection of the EsophagusSevere
  • Giant HivesSevere
  • HepatitisSevere
  • HivesSevere
  • Increase of White Blood CellsSevere
  • Interstitial NephritisSevere
  • Life Threatening Allergic ReactionSevere
  • Liver FailureSevere
  • Low Amount of Sodium in the BloodSevere
  • Low Blood SugarSevere
  • PancreatitisSevere
  • Stevens-Johnson SyndromeSevere
  • Sudden Blindness and Pain Upon Moving the EyeSevere
  • Toxic Epidermal NecrolysisSevere
  • Urinary Tract InfectionSevere
  • Abnormal Stool ColorLess Severe
  • Benign Polyps in StomachLess Severe
  • Blurred VisionLess Severe
  • CrampsLess Severe
  • Dry MouthLess Severe
  • Dry SkinLess Severe
  • Enlarged BreastsLess Severe
  • Excessive SweatingLess Severe
  • Fluid Retention in the Legs, Feet, Arms or HandsLess Severe
  • Hair LossLess Severe
  • High Blood PressureLess Severe
  • Irritable ColonLess Severe
  • Joint PainLess Severe
  • Large Purple or Brown Skin BlotchesLess Severe
  • Loss of AppetiteLess Severe
  • Low Amount of Magnesium in the BloodLess Severe
  • Low EnergyLess Severe
  • Muscle PainLess Severe
  • Not Feeling WellLess Severe
  • Numbness and TinglingLess Severe
  • PainLess Severe
  • Painful, Red or Swollen MouthLess Severe
  • RashLess Severe
  • Ringing in the EarsLess Severe
  • Sensation of Spinning or WhirlingLess Severe
  • Skin InflammationLess Severe
  • Small Reddish-Purplish Pin-Point Sized Spots on the SkinLess Severe
  • Sun-Sensitive SkinLess Severe
  • Swelling of the AbdomenLess Severe
  • Taste ProblemsLess 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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