Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Vitamin K1 is dosed at 1–5 mg/kg SC q12h in guinea pigs, per Ewringmann A, Gloeckner B. Leitsymptome bei Meerschweinchen, Chinchilla und Degu, Enke, Stuttgart, Germany; 2012.; Ewringmann A, Gloeckner B. Leitsymptome bei Hamster, Ratte, Maus und Rennmaus, Enke, Stuttgart, Germany; 2014. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.803 (2026-08-01). — 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: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Vitamin K1 is used in guinea pigs for Anticoagulant rodenticide poisoning. Routes documented in guinea pigs: SC. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Vitamin K1 in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Mephyton, AquaMEPHYTON, Veta-K1
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| SC | 1–5 mg/kg | q12h | 4-6 weeks | Anticoagulant rodenticide poisoning | Weak | Ewringmann A, Gloeckner B. Leitsymptome bei Meerschweinchen, Chinchilla und Degu, Enke, Stuttgart, Germany; 2012.; Ewringmann A, Gloeckner B. Leitsymptome bei Hamster, Ratte, Maus und Rennmaus, Enke, Stuttgart, Germany; 2014. — Verified against Carpenter's Exotic Animal Formulary, 6th Ed, p.803 (2026-08-01). — 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: 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 |
|---|---|---|---|
| 1–5 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 9.7 | 1-5 mg/kg SC q12- 24h,47 |
| 1–10 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 9.7 | 1-10 mg/kg IM q24h × 4- 6 days |
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.
Essential cofactor for hepatic carboxylation of clotting factors II, VII, IX, X. Reverses vitamin K-dependent coagulopathy from anticoagulant rodenticides.
Give PO with fatty food (fat-soluble). SC preferred over IM (hematoma risk) or IV (anaphylaxis risk). Long-acting rodenticides (brodifacoum) require 4-6 weeks treatment. Monitor PT.
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.
Vitamin K1 dose range in guinea pigs, with cited source references: SC 1–5 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Vitamin K1 in guinea pigs: SC.
Cited course lengths for Vitamin K1 in guinea pigs include: 4-6 weeks. Duration depends on the indication — match it to the specific dose rule in the table above.
Vitamin K1 is indicated in guinea pigs for: Anticoagulant rodenticide poisoning.
These are general warnings for Vitamin K1 across species; consult the guinea pig dosing table above for species-specific guidance. Give PO with fatty food (fat-soluble). SC preferred over IM (hematoma risk) or IV (anaphylaxis risk). Long-acting rodenticides (brodifacoum) require 4-6 weeks treatment. Monitor PT.
Why a species-specific page? Vitamin K1 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.