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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.) — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.227 (2026-08-01, PENDING REVIEW)

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. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.227 (2026-08-01, PENDING REVIEW)

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.) — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.230 (2026-08-01, PENDING REVIEW)

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. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.231 (2026-08-01, PENDING REVIEW)

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.

Endoparasites in Corn Snakes: 4 Cited Drug Options | ExoticRx