Product details
Famotidine is a histamine-2 (H2) receptor antagonist used to treat and/or prevent gastrointestinal ulcers by decreasing stomach acid production.
This product is a tablet formulation.
- Used to reduce gastric (stomach) acid in some animals, helping to treat certain conditions including GI ulcers, gastritis, and acid reflux.
- Must be given consistently; missed doses may result in recurrence of signs and symptoms.
- Typically given on an empty stomach, at least 30 minutes before meals.
- May be prescribed for other animal species; please consult your veterinarian.
- While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.
*Please note: This is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.
Product sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.
For
Dogs and Cats
Active ingredient(s)
Famotidine
Common brand names
Pepcid, Pepcid AC
Drug class
H2-receptor antagonist
Product strength & size
Famotidine tablets may be available in multiple strengths and/or sizes. Please ensure the selected product and package size are appropriate for your pet, as recommended by your veterinarian.
For current availability, please refer to the product selection above.
Usage
Famotidine Tablets should be given orally as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.
Try to give this medication consistently as instructed; missed doses may result in recurrence of signs and symptoms.
Famotidine is usually recommended to be given on an empty stomach, at least 30 minutes before meals.
If your pet vomits or appears unwell after receiving a dose on an empty stomach, give future doses with food or a small treat. If vomiting continues, contact your veterinarian.
Missed doses
Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.
Storage
Store in a cool, dry place at a controlled room temperature (68 to 77°F, brief excursions permitted between 59 and 86°F). Keep in a tight, light-resistant container and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.
Side effects
This medication is generally well tolerated in dogs and cats. Possible side effects include (but may not be limited to) vomiting, decreased appetite, diarrhea, or constipation.
Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.
If you notice anything unusual, please consult your veterinarian.
Precautions
Use with caution in animals with significant kidney or liver impairment/disease.
Safe use of this medication has not been established in breeding, pregnant, or lactating animals. Discuss the risks of using this medication with your veterinarian if your pet is in one of these groups.
Do not administer to animals with a known history or suspected allergy/hypersensitivity to any H2-receptor antagonist drug, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.
If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways; difficulty breathing; agitation; profuse salivation; and widespread hives or itching.
Drug and food interactions
The following drugs* may have potential interactions with this medication: azole antifungals (e.g., itraconazole, ketoconazole), cefpodoxime, cefuroxime, oral iron supplements, and oral vitamin B12 (cobalamin).
*NOTE: this may not be a comprehensive list. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.
Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.
Adverse reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.
Overdose
If you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.
For humans:
The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.
For animals:
The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.
Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.
*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.
Disclaimer
The content provided on this page is NOT medical advice.
All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.
Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.
Last revised: 7/02/2025
-
Description
Product detailsFamotidine is a histamine-2 (H2) receptor antagonist used to treat and/or prevent gastrointestinal ulcers by decreasing stomach acid production. This product is a tablet formulation.- Used to reduce gastric (stomach) acid in some animals, helping to treat certain conditions including GI ulcers, gastritis, and acid reflux.
- Must be given consistently; missed doses may result in recurrence of signs and symptoms.
- Typically given on an empty stomach, at least 30 minutes before meals.
- May be prescribed for other animal species; please consult your veterinarian.
- While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.
*Please note: This is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.Product sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.ForDogs and CatsActive ingredient(s)FamotidineCommon brand namesPepcid, Pepcid ACDrug classH2-receptor antagonistProduct strength & sizeFamotidine tablets may be available in multiple strengths and/or sizes. Please ensure the selected product and package size are appropriate for your pet, as recommended by your veterinarian.For current availability, please refer to the product selection above.UsageFamotidine Tablets should be given orally as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.Try to give this medication consistently as instructed; missed doses may result in recurrence of signs and symptoms.Famotidine is usually recommended to be given on an empty stomach, at least 30 minutes before meals.If your pet vomits or appears unwell after receiving a dose on an empty stomach, give future doses with food or a small treat. If vomiting continues, contact your veterinarian.Missed dosesAdminister the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.StorageStore in a cool, dry place at a controlled room temperature (68 to 77°F, brief excursions permitted between 59 and 86°F). Keep in a tight, light-resistant container and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.Side effectsThis medication is generally well tolerated in dogs and cats. Possible side effects include (but may not be limited to) vomiting, decreased appetite, diarrhea, or constipation.Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.If you notice anything unusual, please consult your veterinarian.PrecautionsUse with caution in animals with significant kidney or liver impairment/disease.Safe use of this medication has not been established in breeding, pregnant, or lactating animals. Discuss the risks of using this medication with your veterinarian if your pet is in one of these groups.Do not administer to animals with a known history or suspected allergy/hypersensitivity to any H2-receptor antagonist drug, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways; difficulty breathing; agitation; profuse salivation; and widespread hives or itching.Drug and food interactionsThe following drugs* may have potential interactions with this medication: azole antifungals (e.g., itraconazole, ketoconazole), cefpodoxime, cefuroxime, oral iron supplements, and oral vitamin B12 (cobalamin).*NOTE: this may not be a comprehensive list. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.Adverse reactionsIf you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.OverdoseIf you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.For humans:The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.For animals:The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.DisclaimerThe content provided on this page is NOT medical advice.All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.Last revised: 7/02/2025 -
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