Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg
Oxytetracycline Ophthalmic is dosed at I swept the rodent tables (Table 9.1 Antimicrobial and Antifungal Agents Used in Rodents, corpus pp.770-775): the only oxytetracycline entries for guinea pigs are systemic ('5 mg/kg IM q12h or 10-20 ...'), no ophthalmic row in guinea pigs, per Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Ch.21 Guinea Pigs, PDF p.305 (printed p.293) — topical tetracycline ophthalmic ointment for C. caviae conjunctivitis in guinea pigs. — SOURCE EDITION: Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery — ISBN 9780323484350, https://openlibrary.org/isbn/9780323484350. Oxytetracycline Ophthalmic is used in guinea pigs for Bacterial conjunctivitis. Routes documented in guinea pigs: Ophthalmic. A typical adult guinea pig weighs 0.70–1.20 kg. ExoticRx lists 1 cited dose rule for Oxytetracycline Ophthalmic in guinea pigs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Terramycin Ophthalmic
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| Ophthalmic | I swept the rodent tables (Table 9.1 Antimicrobial and Antifungal Agents Used in Rodents, corpus pp.770-775): the only oxytetracycline entries for guinea pigs are systemic ('5 mg/kg IM q12h or 10-20 ...'), no ophthalmic row | q6-12h topical to cornea/conjunctiva |
| 7-10 days |
| Bacterial conjunctivitis |
| Extrapolated |
| Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Ch.21 Guinea Pigs, PDF p.305 (printed p.293) — topical tetracycline ophthalmic ointment for C. caviae conjunctivitis in guinea pigs. — SOURCE EDITION: Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery — ISBN 9780323484350, https://openlibrary.org/isbn/9780323484350 |
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/kg) | Route | Source | As printed |
|---|---|---|---|
| 20–25 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.235 | Ferrets, Hamsters, Gerbils: 20-25 mg/kg i.m. q8-12h |
| 5 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.235 | 5 mg/kg i.m. q12h |
| 5 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 5 mg/kg IM q12h or 10-20 mg/kg PO q8h |
| 10–20 | PO |
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Tetracycline antibiotic that inhibits bacterial protein synthesis by binding the 30S ribosomal subunit. Combined with polymyxin B for gram-negative coverage.
Common first-line ophthalmic antibiotic in veterinary practice. Apply 2-4 times daily. Ointment base provides prolonged corneal contact time. Available OTC in many regions.
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.
Oxytetracycline Ophthalmic dose range in guinea pigs, with cited source references: Ophthalmic I swept the rodent tables (Table 9.1 Antimicrobial and Antifungal Agents Used in Rodents, corpus pp.770-775): the only oxytetracycline entries for guinea pigs are systemic ('5 mg/kg IM q12h or 10-20 ...'), no ophthalmic row q6-12h topical to cornea/conjunctiva. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Oxytetracycline Ophthalmic in guinea pigs: Ophthalmic.
Cited course lengths for Oxytetracycline Ophthalmic in guinea pigs include: 7-10 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Oxytetracycline Ophthalmic is indicated in guinea pigs for: Bacterial conjunctivitis.
These are general warnings for Oxytetracycline Ophthalmic across species; consult the guinea pig dosing table above for species-specific guidance. Common first-line ophthalmic antibiotic in veterinary practice. Apply 2-4 times daily. Ointment base provides prolonged corneal contact time. Available OTC in many regions.
Why a species-specific page? Oxytetracycline Ophthalmic 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.
| Carpenter's Exotic Animal Formulary, 6th edTable 9.1 |
| 5 mg/kg IM q12h or 10-20 mg/kg PO q8h |
| 100 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 9.1 | 100 mg/kg SC q24h 0.25-1 mg/mL drinking water H |
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.