Treating and preventing ulcers. It is also used to treat conditions that cause increased acid secretion (eg, Zollinger-Ellison syndrome), gastroesophageal reflux disease (GERD), and esophagitis. It may also be used for other conditions as determined by your doctor.

Pepcid Oral Suspension is an H2 (histamine) blocker. It works by reducing stomach acid by blocking one of the chemicals (histamine) that stimulates the release of acid into the stomach.

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  • Pepcid Oral Suspension
  • Constipation; diarrhea; dizziness; headache.

    Seek medical attention right away if any of these SEVERE side effects occur:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); irregular heartbeat; seizures.
  • Take Pepcid Oral Suspension by mouth with or without food. Shake well before each use. Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure this dose. If you take atazanavir, erlotinib, itraconazole, ketoconazole, or rilpivirine, ask your doctor or pharmacist how to take it with Pepcid Oral Suspension. Ask your doctor before taking antacids or other acid reducers with Pepcid Oral Suspension. If you miss a dose of Pepcid Oral Suspension, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.