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Famotidine Tablets, 40mg

Varies (Generic) SKU: 1723017-1

Prescription Required

$0.18

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Size: 1 tablet
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H2 Blocker Tablets for Stomach Acid Reduction in Dogs and Cats

Product Description

Famotidine 40mg Tablets are a prescription H2 receptor antagonist used by veterinarians to reduce stomach acid production in dogs and cats. By sitting on the histamine H2 receptors in the stomach lining, it shuts down the acid secretion signal and allows the stomach environment to settle enough for ulcers and irritated tissue to recover. Veterinarians prescribe it for gastrointestinal ulcers, acid reflux, esophagitis, uremic gastropathy, and stress-related gastritis, and it is used off-label in veterinary practice.

Benefits

  • Gastric Ulcer Treatment: Lowers stomach acid to give gastric and duodenal ulcers in dogs and cats the right conditions to heal and stay healed.
  • Acid Reflux and Esophagitis Relief: Reduces acid output so the esophagus gets a break from the inflammation and discomfort that chronic reflux causes in pets.
  • Uremic Gastropathy Management: Helps keep stomach acid overproduction in check in dogs and cats dealing with chronic kidney disease and uremic gastropathy.
  • Fewest Drug Interactions Among H2 Blockers: Famotidine carries fewer drug interactions than cimetidine, making it a more practical choice for pets already on multiple medications.
  • Stress Gastritis Support: Eases acid-related stomach irritation in pets going through stress-induced or illness-related gastric inflammation.

Ingredients

Active Ingredients

Famotidine

How to Use

Famotidine 40mg Tablets are a prescription-only medication. A valid veterinarian prescription is required to purchase this product.

Please follow your veterinarian's specific instructions for the dosage and administration of this medication for your pet.

Disclaimer: Dosage and administration of this medication must be determined by a licensed veterinarian. Always consult your veterinarian before administering or adjusting any prescription medication for your pet.

This medication tends to work best when given before the first meal of the day on an empty stomach. If stomach discomfort comes up without food, check with your veterinarian about whether a small amount of food alongside the tablet would be appropriate. Tucking the tablet into a soft pill pocket or pill wrap treat makes giving it to your pet much simpler.

Shop Pill Pockets for Dogs | Shop Pill Pockets for Cats

Additional Information

Precautions

  • Reduced Efficacy With Long-Term Use: Famotidine's acid-suppressing effect can start fading after about 14 days as the stomach adjusts.
  • Separate From Antacids: Taking antacids too close to a famotidine dose can interfere with absorption, so space them at least two hours apart.
  • Caution in Kidney Disease: Famotidine exits through the kidneys and can build up in pets with reduced renal function, so careful monitoring is needed.
  • Caution in Liver Disease: Pets with significant liver disease need extra care on this medication, as the liver plays a role in how famotidine is processed in the body.
  • Avoid in Known Allergies: Pets with a known sensitivity to famotidine or other H2 receptor antagonist medications should not be given this medication.
  • Drug Interaction Risk: This medication can lower the absorption of ketoconazole, itraconazole, vitamin B-12, certain cephalosporin antibiotics, and oral iron supplements.

Possible Side Effects

  • Dry Mouth and Dry Skin: Some dryness of the mouth and skin is something dogs and cats occasionally experience while on famotidine treatment.
  • Diarrhea: Loose stools or diarrhea can come up as a side effect but tend to be mild and sort themselves out during the course of treatment.
  • Reduced Appetite and Lethargy: Some pets go through a mild drop in appetite or feel temporarily tired while taking famotidine over the course of treatment.
  • Serious Allergic Reactions: Trouble breathing, facial swelling, or collapse all point to a severe allergic reaction that needs immediate emergency veterinary care.

Storage Information

  • Room Temperature: Tablets do best at room temperature inside a tightly closed container, kept away from heat and humidity.
  • Protect From Moisture and Light: Direct sunlight and damp conditions can wear down the tablet's potency, so a dry, shaded storage spot is the right choice.
  • Out of Reach: Keep this medication somewhere children and untreated animals in the home cannot get to it.

NOTE: For generic medications, the product image shown may not reflect the actual item received. Generic medications can vary in size, color, and shape between orders depending on the manufacturer. Additionally, your medication may arrive packaged in a HardyPaw Pharmacy vial.

Shipping & Return

We offer ground, express, and priority delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy.

Prescription items are NON-RETURNABLE and NON-REFUNDABLE.

Frequently Asked Questions

Q1: What conditions does famotidine treat in dogs and cats?

Ans: Famotidine covers gastric and duodenal ulcers, acid reflux, esophagitis, and stomach inflammation from kidney disease, stress, or illness in dogs and cats. It also fits into broader gastrointestinal treatment plans alongside sucralfate and other medications. A veterinarian will determine whether famotidine is the right acid reducer for a specific pet.

Q2: Why might a veterinarian choose famotidine over other H2 blockers like cimetidine?

Ans: Famotidine stands out from cimetidine mainly because it does not interfere with the hepatic P450 enzyme system and has far fewer drug interactions overall. That makes it a more practical fit for pets on several medications at once, and most dogs and cats handle it without running into significant side effects.

Q3: Can famotidine be used long-term in dogs and cats?

Ans: Studies have found that famotidine's acid-reducing ability tends to fade somewhere around the two-week mark as the stomach gets used to it. Pets that need acid management beyond that point may be switched to something like omeprazole, a proton pump inhibitor that holds its effect more reliably over time. Treatment duration is something a veterinarian will guide based on the pet's needs.

Q4: When should famotidine tablets be given to pets for best results?

Ans: Famotidine is best given before the first meal of the day, since having food in the stomach at the time of dosing can interfere with how well it gets absorbed. If nausea or vomiting comes up without food, checking with a veterinarian about whether a small amount of food alongside the tablet would help is the right move.

Q5: Does famotidine interact with other common pet medications?

Ans: Famotidine has a lighter interaction profile than most H2 blockers but can still reduce the uptake of ketoconazole, itraconazole, certain cephalosporins, vitamin B-12, and oral iron. Antacids should be kept at least two hours away from each famotidine dose. Give your veterinarian a complete picture of every medication and supplement your pet is on before starting treatment.

Clinical Research