Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Selamectin is dosed at 15 mg/kg topical once in guinea pigs, per Eshar D, Bdolah-Abram T. Comparison of efficacy, safety, and convenience of selamectin versus ivermectin for treatment of Trixacarus caviae mange in pet guinea pigs (Cavia porcellus). J Am Vet Med Assoc. 2012;241:1056-1058. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.780 doi:10.2460/javma.241.8.1056 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.2 (Antiparasitic 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. Selamectin is used in guinea pigs for Trixacarus caviae mange. Routes documented in guinea pigs: topical. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Selamectin in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Revolution, Stronghold
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| topical | 15 mg/kg | once | Trixacarus caviae mange | Moderate | Eshar D, Bdolah-Abram T. Comparison of efficacy, safety, and convenience of selamectin versus ivermectin for treatment of Trixacarus caviae mange in pet guinea pigs (Cavia porcellus). J Am Vet Med Assoc. 2012;241:1056-1058. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.780 doi:10.2460/javma.241.8.1056 — Carpenter's Exotic Animal Formulary 6th ed, Table 9.2 (Antiparasitic 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.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/animal) | Route | Source | As printed |
|---|---|---|---|
| 2.5 | — | Carpenter's Exotic Animal Formulary, 6th edTable 9.2 | 2.5 mg/animal topically |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 6–15 | — | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.279 | Ferrets, Rabbits, Rodents: 6-15 mg/kg monthly; Sugar gliders, Hedgehogs: 6-18 mg/kg monthly. |
| 6–18 |
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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.
Binds glutamate-gated chloride channels in invertebrate nerve/muscle cells. Absorbed through skin; reaches systemic circulation.
Do not apply to broken skin. Monthly application. Prevents heartworm, kills fleas, treats ear mites, sarcoptic mange. Safe in MDR1 dogs at labeled dose. OK in rabbits and ferrets.
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.
Selamectin dose range in guinea pigs, with cited source references: topical 15 mg/kg once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Selamectin in guinea pigs: topical.
Selamectin is indicated in guinea pigs for: Trixacarus caviae mange.
These are general warnings for Selamectin across species; consult the guinea pig dosing table above for species-specific guidance. Do not apply to broken skin. Monthly application. Prevents heartworm, kills fleas, treats ear mites, sarcoptic mange. Safe in MDR1 dogs at labeled dose. OK in rabbits and ferrets.
Why a species-specific page? Selamectin 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.
| — |
| BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.279 |
| its, Rodents: 6-15 mg/kg monthly; Sugar gliders, Hedgehogs: 6-18 mg/kg monthly. |
| 15 | — | Carpenter's Exotic Animal Formulary, 6th edTable 9.2 | 15 mg/kg topically once |
| 15–30 | — | Carpenter's Exotic Animal Formulary, 6th edTable 9.2 | 15-30 mg/kg topically q21-28d × 2 treatments (q14d if Demodex)47,48 |
| 20 | — | Carpenter's Exotic Animal Formulary, 6th edTable 9.2 | 20 mg/kg topically |
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.