Cat · Felis catus · typical adult weight 2.50–7.00 kg
Cimetidine is dosed at 5–10 mg/kg PO q6-8h in cats, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.292 (2026-08-01). — Plumb's 10th ed (held) printed p.263, Cimetidine monograph spanning p.263-264; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Cimetidine is used in cats for Gastric acid reduction. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Cimetidine in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Tagamet
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 5–10 mg/kg | q6-8h | As needed | Gastric acid reduction | Moderate | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.292 (2026-08-01). — Plumb's 10th ed (held) printed p.263, Cimetidine monograph spanning p.263-264; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 2.5–5 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.100 | 2.5-5 mg/kg p.o., i.v., i.m. q12h. |
| 10 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.187 | • 10 mg/kg q6-8h IV, IM, or PO. |
| 2.5–5 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.187 | • Renal failure: 2.5-5 mg/kg q12h IV or PO. |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Competitively blocks histamine H2 receptors on parietal cells, reducing basal and stimulated gastric acid secretion.
Inhibits cytochrome P450 enzymes (many drug interactions — theophylline, benzodiazepines, etc.). Less potent than famotidine. Gynecomastia with chronic use in humans. Give 30 min before meals.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Cimetidine dose range in cats, with cited source references: PO 5–10 mg/kg q6-8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Cimetidine in cats: PO.
Cited course lengths for Cimetidine in cats include: As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Cimetidine is indicated in cats for: Gastric acid reduction.
These are general warnings for Cimetidine across species; consult the cat dosing table above for species-specific guidance. Inhibits cytochrome P450 enzymes (many drug interactions — theophylline, benzodiazepines, etc.). Less potent than famotidine. Gynecomastia with chronic use in humans. Give 30 min before meals.
Why a species-specific page? Cimetidine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.