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Ectoparasites in Corn Snakes

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

2 cited drugs treat Ectoparasites in corn snakes: Fenbendazole, Ivermectin.

External parasites including fleas, ticks, mites, and lice. Isoxazolines, macrocyclic lactones, and pyrethroids each carry species-specific cautions (e.g. permethrin lethal in cats).

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

Fenbendazole(Panacur)

Antiparasitic
RouteDoseFrequencyIndicationEvidenceSource
PO25 mg/kgq14dHookworm (Kalicephalus sp.)ModerateMattCL, Nagamori Y, Stayton E, et al. Kalicephalus hookworm infection in four corn snakes (Pantherophis guttatus). J Exot Pet Med. 2020;34:62-66. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.225 (2026-08-01, PENDING REVIEW) doi:10.1053/j.jepm.2020.04.008

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)

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.

Ectoparasites in Corn Snakes: 2 Cited Drug Options | ExoticRx