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What is Pepcid®?

PEPCID® is a Histamine-2 blocker (H2 blocker) with the active ingredient famotidine. Famotidine helps relieve heartburn by reducing the amount of acid in the stomach.

PEPCID® offers three main products that provide heartburn relief that you can take whenever you need. Original Strength PEPCID AC® and Maximum Strength PEPCID AC® contain an H2 blocker that begins to work in 15 minutes and helps control acid all day or all night.* PEPCID Complete® combines an H2 Blocker with an antacid that starts neutralizing acid in seconds, so it works even faster. Because the faster it starts relieving heartburn, the better.


About Antacids

  • Neutralizes the existing stomach acid
  • Doesn’t stop your stomach from making more acid
  • Starts working in seconds
  • May last 20-30 minutes per dose

ABOUT H2 blockers (Pepcid®)

  • Lowers the amount of acid your stomach produces
  • Blocks the histamine receptors in your stomach that are responsible for triggering acid production.
  • Starts to work in 15 minutes
  • Lasts all day or all night*

About Proton Pump Inhibitors

  • Works by shutting down pumps that release acid into your stomach
  • Not intended for immediate relief
  • May take 1-4 days to become fully effective
  • Requires a daily dosing regimen