Category: Stomach acid reducer (Histamine-2 blocker)
Other Names for this Medication: Pepcid®
Common Dosage Forms: Veterinary: none. Human: 10 mg, 20 mg, 40 mg oral tablets (plain, film-coated, chewable, & orally disintegrating) & gelcaps; powder for oral suspension: 40 mg/5 mL (8 mg/mL) when reconstituted.

This information sheet does not contain all available information for this medication. It is to help answer commonly asked questions and help you give the medication safely and

effectively to your animal. If you have other questions or need more information about this medication, contact your veterinarian or pharmacist.

Key Information

X Used to treat or prevent stomach ulcers.

X Doses often are given 1-2 times per day.

X Works best if given before the first meal of the day. If your pet vomits or acts sick after receiving the drug on an empty stomach, try giving the next dose with food or a small treat. If vomiting continues, contact your veterinarian.

X Famotidine is available over the counter (OTC) without a prescription, but only give it to your animal if your veterinarian recommends to do so.

How is this medication useful?

Famotidine is a medication that is used to prevent and treat stomach ulcers; it works by reducing the amount of acid in the stomach.

The FDA (U.S. Food & Drug Administration) has approved this drug for use in humans, but it is not officially approved for use
in animals. The FDA allows veterinarians to prescribe products containing this drug in different species or for other conditions in certain situations. You and your veterinarian can discuss why this drug is the most appropriate choice.

What should I tell my veterinarian to see if this medication can be safely given?

Many things might affect how well this drug will work in your animal. Be sure to discuss the following with your veterinarian so together you can make the best treatment decisions.

XXOther drugs can interact with ranitidine so tell your veterinarian and pharmacist what medications (including vitamins, supplements, herbal therapies, and treats) you are giving your animal, including the amount and schedule of each.

XXTell your veterinarian about any conditions or diseases your pet may have now or has had in the past.

XXIf your animal has been treated for the same disease or condition in the past, tell your veterinarian about the treatment and how well it did or didn’t work.

XXIf your animal is pregnant, may become pregnant or is nursing, talk to your veterinarian about the risks of using this drug.

XXTell your veterinarian and pharmacist about any medication side effects (including allergic reactions, lack of appetite, diarrhea, itching, hair loss) your pet has developed in the past.

When should this medication not be used or be used very carefully?

No drug is 100% safe in all patients, but your veterinarian will discuss with you any specific concerns about using this drug in your animal.

This drug SHOULD NOT be used in patients:
XXThat have had an allergic reaction to it or similar drugs (eg,

ranitidine) in the past.
This drug should be used WITH CAUTION in:
XXOlder animals.
XXAnimals with liver or kidney problems.
XXAnimals with heart disease.
If your pet has any of these conditions or signs, talk to your veterinarian about the potential risks versus benefits.

What are the side effects of this medication?

Famotidine is generally tolerated well by both dogs and cats. But in some animals it may cause:

XXVomiting, diarrhea, or lack of an appetite.XXDecreased or loss of appetite.
XXDry mouth or skin.

You don’t have to be overly concerned if you see any of these unless they are severe, worsen, or continue to be a problem. Contact your veterinarian if this happens.

If my pet gets too much of this medication (an overdose), what should I do?

Overdoses of famotidine are not usually serious, but if you know
or think your animal got too much of this medication and they are showing adverse effects, contact your veterinarian or an animal poison control center for further advice. Animal poison control cen- ters that are open 24 hours a day include: ASPCA Animal Poison Control Center (888-426-4435) and Pet Poison HELPLINE (855- 764-7661); a consultation fee is charged for these services.

©2017 PharmaVet, Inc. ALL RIGHTS RESERVED. Plumb’s® Veterinary Medication Guides have not been reviewed by FDA Center for Veterinary Medicine.

How should this medication be given?

For this medication to work, give it exactly as your veterinarian has prescribed. It’s a good idea to always check the prescription label to be sure you are giving the drug correctly.
XXDo not cut or break tablets unless instructed to by your

veterinarian or pharmacist. It’s a good idea to always check the prescription label to be sure you are giving the drug correctly.

XXFamotidine should be given about 30 minutes before a meal, typically for the first meal of the day. If your animal vomits or acts sick after getting it on an empty stomach, give it with the meal instead. If vomiting continues, contact your veterinarian.

XXLiquid forms of this medication must be measured carefully. Your veterinarian or pharmacist can help by providing special measuring spoons or syringes.

XXIf you have difficulty getting your animal to take the medicine, contact your veterinarian or pharmacist for tips to help dosing and reducing the stress of medication time.

XXThis medication can be given for various lengths of time. Be sure you understand how long your veterinarian wants you
to continue giving this medication. Prescription refills may be necessary before the therapy will be complete. Before stopping this medication, talk to your veterinarian, as there may be important reasons to continue its use.

What should I do if I miss giving a dose of this medication?

If you miss a dose, wait and give the next dose when it is usually time to do so. Do not double-up doses or give an extra dose.

How should I store this medication?

XXStore this medication in the original prescription bottle or an approved dosage reminder container (ie, pill minder) at room temperature, out of direct sunlight.

XXLiquids should be stored exactly as recommended and discarded by the date shown on the prescription bottle.

XXKeep away from children and other animals.

Can handling this medication be hazardous to me, my family, or other pets?

There are no specific precautions required when handling this med- ication unless you are allergic to it. Wash your hands after handling any medication.

How should I dispose of this medication if I don’t use it all?

XXDo not flush this medication down the toilet or wash it down the sink. If a community drug “take-back” program is available, use this option. If there is no take-back program, mix the drug with coffee grounds or cat litter (to make it undesirable to children and animals and unrecognizable to people who might go through your trash), place the mixture in a sealable plastic bag to keep it from leaking out, and throw the bag out with the regular trash.

XXDo not save left over medication for future use or give it to others to use.

What other information is important for this medication?

XXDo not give famotidine (or any other medications) to your animal without first consulting a veterinarian.

XXDo not change or switch dosage forms (eg, brand names,
tablets to liquid) without first consulting with a veterinarian or pharmacist, as the amount of drug absorbed may differ from one form to another.

XXIf you have any other questions or concerns about this medication, contact your veterinarian or pharmacist.

XXUse of this drug may not be allowed in certain animal competitions. Please check rules and regulations before entering your animal in a competition while this medication is being administered.

If you have any other questions or concerns about this medica- tion, contact your veterinarian or pharmacist.

©2017 PharmaVet, Inc. ALL RIGHTS RESERVED. Plumb’s® Veterinary Medication Guides have not been reviewed by FDA Center for Veterinary Medicine.