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Famotidine/Calcium Carbonate/Magnesium Hydroxide

    DEA Class;  OTC

    Common Brand Names; Dual Action Complete, Pepcid Complete, Tums Dual Action

    • Gastrointestinal Agents, Other

    Famotidine is an H2-antagonist

    Calcium carbonate & magnesium hydroxide are antacids



    Other H2 antagonists or components of the formulation

    Renal impairment (OTC)

    Pain whe swallowing food, vomiting with blood, or bloody or black stools (OTC)




    Severe renal or hepatic impairment

    If patient taking a prescription drug, the patient should ask a doctor or a pharmacist whether acid reducers can be taken concomitantly with it

    Patients with kidney disease should ask doctor before use

    Prolonged QT intervals reported in patients with renal impairment; torsades de pointes reported

    Relief of symptoms does not preclude presence of gastric malignancy

    Use caution in renal impairment (moderate to severe); dosage adjustment recommended

    In pediatric patients increased risk for development of acute gastroentiritis and community-acquired pneumonia reported

    Some dosage forms may contain benzyl alcohol and/or sodium benzoate/benzoid acid, which has been associated with gasping syndrome in neonates

    Pregnancy category: B

    Lactation: American Academy of Pediatrics classifies as compatible with breast feeding

    Chew 1 tablet completely, then swallow; do not exceed 2 tablets/24 hr


    famotidine/calcium carbonate/magnesium hydroxide

    chewable tablet

    • 10mg/800mg/165mg