Famotidine is a histamine-blocking agent prescribed to reduce the amount of gastric acid secreted in the stomach. This medication may also be used for treating gastric or duodenal ulcers, gastritis and reflux conditions.


If you miss a dose ensure it is given as soon as possible, however, if it is almost time for the next dose then skip the missed dose and continue as normal. Ensure two doses are not administered together.

I have heard that this drug can have side effects, how will this affect my pet?

All medicines have potential side effects but this does not mean your pet has a high risk of experiencing them. Possible side effects have not been fully determined for veterinary species, however, adverse effects documented in humans include: loss of appetite, vomiting, diarrhea, headache, dry mouth or skin.

Medicine Storage

Ensure this medication kept out of children’s reach. Store in a cool, dry place at room temperature, away from heat and direct sunlight.

Possible drug interactions

Ensure your vet is aware of any other medication you are giving your pet. Drug interaction is not uncommon when two differing medications are prescribed. The following drugs may interact with famotidine: antacids, metoclopramide, sucralfate, digoxin and/or ketoconazole. Contact your vet if your pet experiences any unusual reactions when different medications are given together.

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