Reptile · Pantherophis guttatus · typical adult weight 0.20–0.90 kg
Sulfadiazine, sulfamerazine is dosed at 25 mg/kg PO q24h x 21 days in corn snakes, per Klaphake E, Gibbons PM, Sladky KK, et al. Reptiles. In: Carpenter JW, eds. Exotic Animal Formulary, 5th ed., Elsevier, St. Louis, MO; 2018:81-166. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.232 — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 [w3r2 2026-08-14] LOCATOR: Carpenter 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). Held copy is a paginationless ebook conversion, so the table and not the page is the citable location. This is a formulary-to-formulary chain (6th ed citing ref 243 = Klaphake E, Gibbons PM, Sladky KK, et al, Reptiles, in Carpenter JW ed, Exotic Animal Formulary 5th ed, 2018:81-166) and the 5th ed is NOT held, so provenance below Carpenter is UNVERIFIED.. Sulfadiazine, sulfamerazine is used in corn snakes for Coccidia. Routes documented in corn snakes: PO. A typical adult corn snake weighs 0.20–0.90 kg. ExoticRx lists 1 cited dose rule for Sulfadiazine, sulfamerazine in corn snakes, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 25 mg/kg | q24h x 21 days | Coccidia | Weak | Klaphake E, Gibbons PM, Sladky KK, et al. Reptiles. In: Carpenter JW, eds. Exotic Animal Formulary, 5th ed., Elsevier, St. Louis, MO; 2018:81-166. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.232 — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 [w3r2 2026-08-14] LOCATOR: Carpenter 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). Held copy is a paginationless ebook conversion, so the table and not the page is the citable location. This is a formulary-to-formulary chain (6th ed citing ref 243 = Klaphake E, Gibbons PM, Sladky KK, et al, Reptiles, in Carpenter JW ed, Exotic Animal Formulary 5th ed, 2018:81-166) and the 5th ed is NOT held, so provenance below Carpenter is UNVERIFIED. |
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 |
|---|---|---|---|
| 75 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 4.4 | 75 mg/kg PO, then 45 mg/kgq24h x 5 days |
| 45 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 4.4 | 75 mg/kg PO, then 45 mg/kgq24h x 5 days |
| 25 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 4.4 | 25 mg/kg PO q24h x days |
| 25 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed |
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These ranges are per kg. Enter your corn snake's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Added 2026-08-04 by the book-verification programme. Every dose rule under this entry was mined from a source, independently re-verified against that source, and adversarially challenged before publication. Drafted for: Blue-tongue Skink
Species-specific contraindications and adverse-reaction reports for corn snakes may differ from canine / feline reference data — consult the primary citations listed with each rule.
Sulfadiazine, sulfamerazine dose range in corn snakes, with cited source references: PO 25 mg/kg q24h x 21 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Sulfadiazine, sulfamerazine in corn snakes: PO.
Sulfadiazine, sulfamerazine is indicated in corn snakes for: Coccidia.
These are general warnings for Sulfadiazine, sulfamerazine across species; consult the corn snake dosing table above for species-specific guidance. Added 2026-08-04 by the book-verification programme. Every dose rule under this entry was mined from a source, independently re-verified against that source, and adversarially challenged before publication. Drafted for: Blue-tongue Skink
Why a species-specific page? Sulfadiazine, sulfamerazine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in corn snakes — 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.
| 25 mg/kg PO q24h × 21 days15,340 Snakes, lizards/coccidia |
| 75 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.4 | 75 mg/kg PO, then 45 mg/kg q24h × 5 days88,340 Most species/coccidia |
| 45 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.4 | 75 mg/kg PO, then 45 mg/kg q24h × 5 days88,340 Most species/coccidia |
| 132 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.3 | 132 mg/kg PO q24h52 Coccidiosis |
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.