Amoxicillin is a penicillin antibiotic. Clarithromycin is a macrolide antibiotic. These antibiotics fight bacteria in the body.

Lansoprazole decreases the amount of acid produced in the stomach.

Amoxicillin, clarithromycin, and lansoprazole is a combination medicine used in people with Helicobacter pylori (H. pylori) infection and stomach ulcers. Treating H. pylori infection can help prevent future stomach ulcers.

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  • Prevpac
  • Incidence not known
    Abdominal or stomach pain or tenderness
    blistering, peeling, or loosening of the skin
    clay colored stools
    dark urine
    difficulty with swallowing
    dizziness or fainting
    fast, slow, or irregular heartbeat
    fever or chills
    hives, itching, or skin rash
    joint or muscle pain
    loss of appetite
    nausea and vomiting
    puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
    red skin lesions, often with a purple center
    red, irritated eyes
    sores, ulcers, or white spots in the mouth or on the lips
    swelling of the body, feet, and ankles
    tightness in the chest
    unusual tiredness or weakness
    unusual weight gain
    watery and severe diarrhea, which may also be bloody
    yellow eyes or skin
    Severity: Minor
    Some of the side effects that can occur with amoxicillin / clarithromycin / lansoprazole may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

    Less common
    Bad, unusual or unpleasant (after) taste
    change in taste
    Less common or rare
    discoloration of the tongue
    itching of the vagina or genital area
    pain during sexual intercourse
    redness, swelling, or soreness of the tongue
    sore mouth or tongue
    thick, white vaginal discharge with no odor or with a mild odor
    white patches in the mouth, tongue, or throat
  • (oral kit)