III. Mechanism

IV. Dosing

  1. Adult (and age >=16 years)
    1. Oral dosing: 20 to 40 mg orally twice daily
  2. Child (40 mg/5ml oral suspension)
    1. Age 0-3 months
      1. Dose: 0.5 mg/kg/day orally daily
    2. Age 3 months to 16 years old
      1. Dose: 0.5 mg/kg orally twice daily (maximum 40 mg/dose)
  3. Creatinine Clearance <50 ml/min
    1. Give at half dose

V. Efficacy

VI. Adverse Effects

VII. Safety

  1. Pregnancy Category B
  2. Unknown safety in Lactation

IX. References

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Related Studies

Cost: Medications

famotidine (on 12/21/2022 at Medicaid.Gov Survey of pharmacy drug pricing)
FAMOTIDINE 10 MG TABLET Generic OTC $0.11 each
FAMOTIDINE 20 MG TABLET Generic $0.03 each
FAMOTIDINE 40 MG TABLET Generic $0.06 each
FAMOTIDINE 40 MG/5 ML SUSP Generic $0.56 per ml