For a dog with GERD, give famotidine at 0.25–0.5 mg per pound (0.5–1.0 mg/kg) once or twice daily for up to 14 days, always under veterinary guidance.
How much famotidine can I give my 10 lb dog?
Give your 10 lb dog 2.5–5 mg of famotidine (0.25–0.5 mg/lb) once or twice daily for up to 14 days.
Missed a dose? Give it the same day if you remember, but skip it if the next dose is almost due. Famotidine works best on an empty stomach—give it about an hour before meals. Don’t stretch the 14-day limit without checking with your vet first.
Give one Pepcid 10 mg Tablets to a 20 lb dog every 12–24 hours, on an empty stomach one hour before meals.
Don’t start Pepcid without your vet’s okay—other issues could hide behind these symptoms. Watch for vomiting, lethargy, or appetite loss; if they stick around, call your vet.
Can a dog overdose on famotidine?
Famotidine overdose in dogs is rare, but if suspected, seek emergency veterinary care immediately.
Signs might include vomiting, restlessness, pale gums, a racing heart, or even collapse. Keep meds locked up—dogs are sneaky about getting into things they shouldn’t.
How much famotidine should I give my dog?
Give famotidine at 0.25–0.5 mg per pound (0.5–1.0 mg/kg) once or twice daily for up to 14 days.
Split the dose evenly, and always give it on an empty stomach for better results. If your dog pukes right after dosing, check with your vet before trying again. Follow your vet’s exact instructions—no guessing.
How long does it take for famotidine to work in dogs?
Famotidine typically begins working within 1–2 hours, with peak effects around 3–4 hours.
You might notice less vomiting or reflux, but some effects are internal and need tests to confirm. If nothing improves in 48 hours, your dog needs a vet visit to rule out anything serious.
When should you give your dog famotidine?
Administer famotidine every 12–24 hours on an empty stomach, one hour before meals, for up to 14 days.
Stick to a schedule—it makes the meds more effective and gentler on the stomach. Never mix it with food; that messes with absorption. If symptoms don’t budge in 3–5 days, your vet should step in.
What helps a dog with acid reflux?
Dietary changes such as small, frequent meals of boiled chicken, rice, and blanched broccoli can help reduce acid reflux in dogs.
Prop up their bowl during meals and keep them upright for 20–30 minutes after eating. If reflux won’t quit, it’s time for stronger meds or tests like endoscopy or imaging.
Most dogs do fine with the regular 10 mg version. Higher doses don’t help much and could backfire. Match the tablet size to your dog’s weight and health—no shortcuts.
Can I give my dog Pepcid for vomiting?
Yes, Pepcid can be given for vomiting caused by stomach irritation or toxin exposure, but only under veterinary guidance.
Sometimes vets prescribe it short-term to shield the stomach lining. If vomiting lasts over 24 hours or includes blood, don’t wait—get to the vet ASAP.
Is omeprazole better than famotidine for dogs?
In published studies, omeprazole is more effective than famotidine at raising stomach pH and healing erosive GI disease in dogs.
Omeprazole is a proton pump inhibitor (PPI), often the go-to for bad reflux, ulcers, or esophagitis. Famotidine acts faster but isn’t as strong. Your vet will pick what’s right for your pup.
How much antacid can I give my dog?
Give 0.5–5 grams of antacid orally every 4 hours as needed, adjusted by size: small dogs 500 mg, medium 750–1000 mg, large 2000 mg.
Calcium carbonate or magnesium hydroxide are common OTC options, but double-check the label. Skip anything with xylitol—it’s deadly for dogs. Use antacids short-term unless your vet says otherwise.
What is famotidine 20 mg used for?
It cuts stomach acid by blocking histamine H2 receptors. Most dogs get 5–10 mg doses, but big dogs might split a 20 mg tablet—only with vet approval.
How do you know if a dog has acid reflux?
Common signs of acid reflux in dogs include excessive drooling, regurgitation, vomiting, burping, foul breath, and air-licking.
These usually flare up after eating or when your dog lies down. Chronic reflux can scar the esophagus, so if symptoms linger, push for imaging or an endoscopy.
10 mg for a 20 lb dog up to twice daily.
But don’t skip the vet visit—some conditions can look like reflux but aren’t. Pepcid works best on an empty stomach, so time it right.
Edited and fact-checked by the FixAnswer editorial team.
