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Endoparasites in Corn Snakes

Reptile · Pantherophis guttatus · typical adult weight 0.20–0.90 kg

4 cited drugs treat Endoparasites in corn snakes: Ivermectin, Mebendazole, Praziquantel, Pyrantel Pamoate.

Gastrointestinal helminth and protozoal infections. Macrocyclic lactones, benzimidazoles, and pyrantel cover the bulk of nematode treatment; protozoal indications require dedicated drugs (metronidazole, sulfadimethoxine).

The overview above describes Endoparasites across species; the citations below are the ExoticRx dose rules scoped to corn snakes — a reference list, not new species-specific clinical guidance.

Ivermectin(Ivomec, Heartgard)

Antiparasitic
RouteDoseFrequencyIndicationEvidenceSource
PO, SC, IM0.2 mg/kgrepeat in 14 daysNematodes (including lungworms), mitesWeakFlach EJ, Riley J, Mutlow AG, et al. Pentastomiasis in Bosc's monitor lizards (Varanus exanthematicus) caused by an undescribed Sambonia species. J Zoo Wildl Med. 2000;31:91-95. (co-cited: 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.227 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929

Mebendazole

Antiparasitic
RouteDoseFrequencyIndicationEvidenceSource
PO20–25 mg/kgrepeat in 14 days prnStrongyles, ascaridsWeakKlaphake 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.227 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929

Praziquantel(Droncit)

Antiparasitic
RouteDoseFrequencyIndicationEvidenceSource
PO, SC, IM8–10 mg/kgrepeat in 14 daysCestodes, trematodesWeakRockwell K, Mitchell MM. Antiparasitic therapy. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1165-1170. (co-cited: 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.230 — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530

Pyrantel Pamoate(Strongid-T, Nemex)

Antiparasitic
RouteDoseFrequencyIndicationEvidenceSource
PO5 mg/kgrepeat in 14 daysNematodesWeakKlingenberg RJ. Understanding Reptile Parasites, Advanced Vivarium Systems, Irvine, CA; 2007:1-200. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.231 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). 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

Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice. Verify against current literature before clinical use.