Pain Management in Green Iguanas
Reptile · Iguana iguana · typical adult weight 1.00–5.00 kg
4 cited drugs treat Pain Management in green iguanas: Butorphanol, Ketoprofen, Meloxicam, Morphine.
Multimodal analgesia spanning NSAIDs, opioids, local anaesthetics, NMDA antagonists (ketamine), α2 agonists, and adjuncts. Species safety matters: NSAIDs are unsafe in some reptiles, opioid receptor distributions differ in birds, and rabbits tolerate buprenorphine particularly well.
The overview above describes Pain Management across species; the citations below are the ExoticRx dose rules scoped to green iguanas — a reference list, not new species-specific clinical guidance.
Butorphanol(Torbugesic, Torbutrol)
Analgesic| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 1.5 mg/kg | not stated in the cited source | Analgesia (antinociception) - electro-stimulation model; PROVIDED analgesia | Weak | Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. / (green-iguana-specific row, p.252) 131. Fleming GJ, Robertson SA. Assessments of thermal antinociceptive effects of butorphanol and human observer effect on quantitative evaluation of analgesia in green iguanas (Iguana iguana). Am J Vet Res. 2012;73:1507-1511. — Carpenter's Exotic Animal Formulary 6th ed, Table 4.5 (Chemical Restraint/Anesthetic Agents Used in Reptiles.a).Compilation only — we have not located an independent source that prints this figure. |
| IM | 8 mg/kg | not stated in the cited source | Analgesia (antinociception) - electro-stimulation model; PROVIDED analgesia; adverse effect: delayed righting reflex | Weak | Greenacre CB, Schumacher JP, Talke G, et al. Comparative antinociception of morphine, butorphanol, and buprenorphine versus saline in the green iguana, Iguana iguana, using electrostimulation. J Herp Med Surg. 2006;16:88-92. doi:10.5818/1529-9651.16.3.88 — Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.570 |
Ketoprofen(Ketofen)
Analgesic| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 2 mg/kg | single dose | NSAID (analgesia/anti-inflammatory) - pharmacokinetic parameters reported | Weak | Tuttle AD, Papich M, Lewbart GA, et al. Pharmacokinetics of ketoprofen in the green iguana (Iguana iguana) following single intravenous and intramuscular injections. J Zoo Wildl Med. 2006;37:567-570. doi:10.1638/06-029.1 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.6 (Analgesic (Including Antiinflammatory) Agents Used in Reptiles). |
| IV | 2 mg/kg | single dose | NSAID (analgesia/anti-inflammatory) - pharmacokinetic parameters reported | Weak | A critical review on the pharmacodynamics and pharmacokinetics of non-steroidal anti-inflammatory drugs and opioid drugs used in reptiles. Vet Anim Sci. 2022;17:100267. PMID: 36043206; PMCID: PMC9420515; DOI: 10.1016/j.vas.2022.100267. (Table 8; original data cited as Tuttle et al., 2006) URL: https://pmc.ncbi.nlm.nih.gov/articles/PMC9420515/ |
Meloxicam(Metacam)
Analgesic| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IV | 0.2 mg/kg | single dose | NSAID (analgesia/anti-inflammatory) - pharmacokinetic parameters reported | Weak | Divers SJ, Papich MG, McBride M, et al. Pharmacokinetics of meloxicam following intravenous and oral administration in green iguanas (Iguana iguana). Am J Vet Res. 2010;71:1277-1283. doi:10.2460/ajvr.71.11.1277 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.6 (Analgesic (Including Antiinflammatory) Agents Used in Reptiles). |
| PO | 0.2 mg/kg | single dose | NSAID (analgesia/anti-inflammatory) - pharmacokinetic parameters reported | Weak | Divers SJ, Papich MG, McBride M, et al. Pharmacokinetics of meloxicam following intravenous and oral administration in green iguanas (Iguana iguana). Am J Vet Res. 2010;71:1277-1283. doi:10.2460/ajvr.71.11.1277 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.6 (Analgesic (Including Antiinflammatory) Agents Used in Reptiles). |
Morphine
Analgesic| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 1 mg/kg | not stated in the cited source | Analgesia (antinociception) - electro-stimulation model; PROVIDED analgesia | Weak | A critical review on the pharmacodynamics and pharmacokinetics of non-steroidal anti-inflammatory drugs and opioid drugs used in reptiles. Vet Anim Sci. 2022;17:100267. PMID: 36043206; PMCID: PMC9420515; DOI: 10.1016/j.vas.2022.100267. (Table 7; original data cited as Greenacre et al., 2006) URL: https://pmc.ncbi.nlm.nih.gov/articles/PMC9420515/ |
Other conditions in Green Iguanas
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.