GERD Home > Additional Details on Famotidine

What Should I Do If I Miss a Dose?

If you do not take your famotidine as scheduled, take your missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose.

Who Makes Famotidine?

Famotidine is made by several manufacturers.

Available Strengths

Prescription famotidine is available in the following forms and strengths:
  • Famotidine 20 mg tablets
  • Famotidine 40 mg tablets
  • Famotidine oral suspension (liquid), 40 mg per 5 mg (40 mg per teaspoonful).
The over-the-counter version is available in the following strengths and forms:
  • Famotidine 10 mg tablets
  • Famotidine 20 mg tablets
  • Famotidine 20 mg chewable tablets.
Over-the-counter Famotidine Complete Chewable tablets (a combination of famotidine with two antacids) is available in one strength (800 mg calcium carbonate/10 mg famotidine/165 mg magnesium hydroxide).
The drug is also available in an injectable form for use in hospitals.

Generic Famotidine

There are currently both brand-name and generic versions of famotidine licensed for sale. However, there is no generic liquid famotidine available.
(Click Generic Pepcid for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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