Skip to content

    lansoprazole

    Side Effects

    List lansoprazole side effects by likelihood and severity.

    The following side effects are associated with lansoprazole:

    Common side effects of lansoprazole:

    • Acute Infection of the Nose, Throat or SinusSevere
    • DiarrheaSevere
    • ItchingSevere
    • RashSevere
    • DizzyLess Severe

    Infrequent side effects of lansoprazole:

    • Change in AppetiteSevere
    • Feel Like Throwing UpSevere
    • Intense Abdominal PainSevere
    • CrampsLess Severe
    • Head PainLess Severe
    • Incomplete or Infrequent Bowel MovementsLess Severe
    • Joint PainLess Severe
    • Muscle or Bone PainLess Severe

    Rare side effects of lansoprazole:

    • Abnormal Heart RhythmSevere
    • Abnormal Liver Function TestsSevere
    • Acquired Decrease of All Cells in the BloodSevere
    • Acquired Low Blood Count due to Destruction of Red CellsSevere
    • Acute Inflammation of the PancreasSevere
    • Acute Renal FailureSevere
    • Allergic Reaction causing Inflammation of Blood VesselsSevere
    • AnginaSevere
    • AnxiousSevere
    • Broken BoneSevere
    • Candida Fungus Infection of Mouth, Skin, Nails or VaginaSevere
    • Cannot Empty BladderSevere
    • CataractsSevere
    • Clostridium Difficile Bacteria Related ColitisSevere
    • CoughSevere
    • Decreased Blood PlateletsSevere
    • Decreased Neutrophils a Type of White Blood CellSevere
    • Decreased White Blood CellsSevere
    • Deficiency of Granulocytes a Type of White Blood CellSevere
    • DepressionSevere
    • Erythema MultiformeSevere
    • Feeling of Throat TightnessSevere
    • Flu-Like SymptomsSevere
    • GallstonesSevere
    • Hearing ProblemSevere
    • Increased Pressure in EyesSevere
    • Inflammation of the GallbladderSevere
    • Interstitial NephritisSevere
    • Life Threatening Allergic ReactionSevere
    • Low Amount of Sodium in the BloodSevere
    • Low Blood Counts due to Bone Marrow FailureSevere
    • Low Platelet Count and Bleeding from Immune ResponseSevere
    • Lung FibrosisSevere
    • Muscle PainSevere
    • Skin Rash with SloughingSevere
    • Stevens-Johnson SyndromeSevere
    • Throat SwellingSevere
    • Toxic Epidermal NecrolysisSevere
    • Underactive ThyroidSevere
    • AnemiaLess Severe
    • ChillsLess Severe
    • DrowsinessLess Severe
    • Dry MouthLess Severe
    • Extreme Discomfort in Calves when Sitting or Lying DownLess Severe
    • Feeling WeakLess Severe
    • FeverLess Severe
    • GasLess Severe
    • Hairy TongueLess Severe
    • Inadequate Vitamin B12Less Severe
    • Ineffective Painful Straining of Stool or UrineLess Severe
    • Infection due to the Candida FungusLess Severe
    • Inflammation of the Large IntestineLess Severe
    • Inflammation of the Sac Surrounding the Joint - BursitisLess Severe
    • Inflammation of the TonsilsLess Severe
    • Low Amount of Magnesium in the BloodLess Severe
    • Muscle InflammationLess Severe
    • NosebleedLess Severe
    • Numbness and TinglingLess Severe
    • PainLess Severe
    • Painful, Red or Swollen MouthLess Severe
    • Painful, Red or Swollen TongueLess Severe
    • Problem Emptying Stomach ContentsLess Severe
    • Puffy Face from Water RetentionLess Severe
    • Ringing in the EarsLess Severe
    • Sensation of Spinning or WhirlingLess Severe
    • Swelling Inside the MouthLess Severe
    • Swelling of the AbdomenLess Severe
    • Swollen Lymph NodesLess Severe
    • Taste ProblemsLess Severe
    • Throwing UpLess Severe
    • Visible Water RetentionLess Severe
    • Voice DisorderLess 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.

    More about Drugs and Medications

    Newsletters

    Subscribe to free WebMD newsletters.

    • WebMD Daily

      WebMD Daily

      Subscribe to the WebMD Daily, and you'll get today's top health news and trending topics, and the latest and best information from WebMD.

    • Men's Health

      Men's Health

      Subscribe to the Men's Health newsletter for the latest on disease prevention, fitness, sex, nutrition, and more from WebMD.

    • Women's Health

      Women's Health

      Subscribe to the Women's Health newsletter for the latest on disease prevention, fitness, sex, diet, anti-aging, and more from WebMD.

    By clicking Submit, I agree to the WebMD Terms & Conditions & Privacy Policy and understand that I may opt out of WebMD subscriptions at any time.

    URAC: Accredited Health Web Site TRUSTe online privacy certification HONcode Seal AdChoices