Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Cimetidine is dosed at 5–10 mg/kg PO, SC, IM, IV q6-12h in guinea pigs, per Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.799 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.7 (Miscellaneous Agents Used in Rodents). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Cimetidine is used in guinea pigs for Gastric/duodenal ulceration; esophagitis; gastroesophageal reflux (H2-blocker). Routes documented in guinea pigs: PO, SC, IM, IV. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Cimetidine in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Tagamet
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO, SC, IM, IV | 5–10 mg/kg | q6-12h | Gastric/duodenal ulceration; esophagitis; gastroesophageal reflux (H2-blocker) | Moderate | Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.799 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.7 (Miscellaneous Agents Used in Rodents). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
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 |
|---|---|---|---|
| 5–10 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.90 | 5-10 mg/kg p.o., s.c., i.m., i.v. q6-12h |
| 5–10 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 9.7 | 5-10 mg/kg PO, SC, IM, IV q6-12h |
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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These ranges are per kg. Enter your guinea pig's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
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 guinea pigs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Cimetidine dose range in guinea pigs, with cited source references: PO, SC, IM, IV 5–10 mg/kg q6-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Cimetidine in guinea pigs: PO, SC, IM, IV.
Cimetidine is indicated in guinea pigs for: Gastric/duodenal ulceration; esophagitis; gastroesophageal reflux (H2-blocker).
These are general warnings for Cimetidine across species; consult the guinea pig 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 guinea pigs — 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.