ExoticRx · exoticrx.com/drugs/fentanyl
Duragesic(patch), Sublimaze(injectable)
Potent synthetic mu-opioid receptor agonist (50-100x more potent than morphine). Rapid onset, short duration IV. Transdermal provides sustained release over 72 hours.
Potent respiratory depressant. Transdermal patch: 12-24 hour onset, variable absorption (shave area, do not cut patches). Controlled substance (Schedule II). Bradycardia. Fever increases absorption rate.
Controlled substance
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
Fentanyl CRI dose rule from the ExoticRx formulary. Verify against current literature before clinical use; CRI rates differ from bolus dosing and route, dilution, and monitoring matter. Sign in for the complete per-species CRI protocol set.
| Species | Route | Rate | Indication | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | IV | 2–10 mcg/kg/hCRI | Intraoperative analgesia, CRI | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
Intraoperative analgesia, CRI
Free-tier preview — dog and cat dosing. Pro and Student unlock all 2 species including reptiles, birds, pocket pets, livestock, and equine.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | IV | 2–10 mcg/kg/h | CRI | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
| Dog (Domestic) | TRANSDERMAL | 2–5 mcg/kg/h | q72h (patch replacement) | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.