Pet Medication 101: ZantacIt’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what Zantac (ranitidine) is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication.Are you concerned about your pet?Book a video consultation with an experienced veterinarian within minutes. Rating: 4.9 - more than 1600 reviewsRating: 4.9 - more than 1300 reviewsRating: 4.9 - more than 1600 reviews Download app 1. Drug Name:ranitidine2. Brand Name:Zantac3. How Dispensed:On April 1, 2020, the FDA requested the removal of all ranitidine products from the market (over-the-counter and prescription) immediately due to a contaminant known as NDMA, a probable human carcinogen.4. Forms:75mg, 150mg, and 300mg tablets; 150mg and 300mg capsules; 15mg/mL syrup, 25mg/mL injectable solution5. Drug Type/Class:Histamine-2 blocker6. Uses for Cats and Dogs:Stomach ulcers, intestinal ulcers, stress-related gastritis, drug-induced gastritis, esophagitis, and esophageal reflux7. How it Works:Ranitidine decreases the amount of acid that is produced in the stomach by inhibiting the histamine-2 receptor. Decreasing the amount of acid in the stomach produces a more favorable environment to rest and heal.8. Side Effects and/or Signs of Overdose:Vomiting, diarrhea, irregular heartbeat, rapid breathing, muscle tremors, lack of coordination, light-headedness, fainting9. Drug Interactions:CephalosporinsKetoconazoleItraconazolePropantheline10. Cautionary Statements:Never give your pet Zantac without the approval of your veterinarian.Use with caution in pets with kidney disease, liver disease, and heart rhythm abnormalities.Use with caution in pregnant animals.Should not be given to lactating animals.Read more:How to Give Your Dog Oral MedicationHow to Give Your Cat Oral MedicationEverything You Need to Know About Vomiting in DogsHave more questions about Zantac or other medications for your pet?Schedule a video consult to speak with one of our vets.