Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Ranitidine is dosed at 2 mg/kg PO q8-12h in dogs, per Bersenas AME. Antacid therapy. In: Bonagura JD, Twedt DC, eds. Kirk’s Current Veterinary Therapy XV. St. Louis, MO: Elsevier Saunders; 2014. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1140 (2026-08-01).. Ranitidine is used in dogs for Gastric acid reduction with prokinetic benefit. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Ranitidine in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Zantac
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 2 mg/kg | q8-12h | As needed | Gastric acid reduction with prokinetic benefit | Moderate | Bersenas AME. Antacid therapy. In: Bonagura JD, Twedt DC, eds. Kirk’s Current Veterinary Therapy XV. St. Louis, MO: Elsevier Saunders; 2014. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1140 (2026-08-01). |
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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Competitively blocks H2 receptors on parietal cells, reducing gastric acid secretion. Also has prokinetic activity via acetylcholinesterase inhibition.
Less drug interaction potential than cimetidine. Prokinetic effect makes it preferred over famotidine when motility enhancement also desired. Administer slowly IV. Note: human formulation withdrawn in some markets.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Ranitidine dose range in dogs, with cited source references: PO 2 mg/kg q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ranitidine in dogs: PO.
Cited course lengths for Ranitidine in dogs include: As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Ranitidine is indicated in dogs for: Gastric acid reduction with prokinetic benefit.
These are general warnings for Ranitidine across species; consult the dog dosing table above for species-specific guidance. Less drug interaction potential than cimetidine. Prokinetic effect makes it preferred over famotidine when motility enhancement also desired. Administer slowly IV. Note: human formulation withdrawn in some markets.
Why a species-specific page? Ranitidine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.