Pet Safety / Compounds / Buprenorphine

Is Buprenorphine safe for dogs and cats?

Moderate risk for pets

(Dogs-specific data is limited; this page draws from cat context.) Buprenorphine is one of the most commonly used veterinary analgesics for cats, administered sublingually (highly bioavailable in cats due to buccal absorption) or parenterally. Unlike full agonist opioids, buprenorphine's ceiling effect on respiratory depression makes it substantially safer for feline analgesia than morphine or fentanyl. Cats undergoing surgical procedures or with painful conditions frequently receive buprenorphine as part of multimodal analgesia protocols. Accidental exposure of cats to human buprenorphine (Suboxone films, Butrans patches) can cause significant opioid toxicosis because the doses in human formulations far exceed veterinary analgesic dosing ranges for cats (human Suboxone 8 mg film versus typical cat dose ~0.01–0.02 mg/kg). Buprenorphine's very high mu receptor affinity means naloxone reversal requires very high doses or prolonged infusion and may be incomplete.

What is buprenorphine?

The IUPAC name is (1S,2S,6R,14R,15R,16R)-5-(cyclopropylmethyl)-16-[(2S)-2-hydroxy-3,3-dimethylbutan-2-yl]-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol.

Also known as: (1S,2S,6R,14R,15R,16R)-5-(cyclopropylmethyl)-16-[(2S)-2-hydroxy-3,3-dimethylbutan-2-yl]-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol, Temgesic, Buprenophine, Buprenorfina.

IUPAC name
(1S,2S,6R,14R,15R,16R)-5-(cyclopropylmethyl)-16-[(2S)-2-hydroxy-3,3-dimethylbutan-2-yl]-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol
CAS number
52485-79-7
Molecular formula
C29H41NO4
Molecular weight
467.6 g/mol
SMILES
CC(C)(C)C(C)(C1CC23CCC1(C4C25CCN(C3CC6=C5C(=C(C=C6)O)O4)CC7CC7)OC)O
PubChem CID
644073

Risk for dogs

Moderate risk

Buprenorphine is one of the most commonly used veterinary analgesics for cats, administered sublingually (highly bioavailable in cats due to buccal absorption) or parenterally. Unlike full agonist opioids, buprenorphine's ceiling effect on respiratory depression makes it substantially safer for feline analgesia than morphine or fentanyl. Cats undergoing surgical procedures or with painful conditions frequently receive buprenorphine as part of multimodal analgesia protocols. Accidental exposure of cats to human buprenorphine (Suboxone films, Butrans patches) can cause significant opioid toxicosis because the doses in human formulations far exceed veterinary analgesic dosing ranges for cats (human Suboxone 8 mg film versus typical cat dose ~0.01–0.02 mg/kg). Buprenorphine's very high mu receptor affinity means naloxone reversal requires very high doses or prolonged infusion and may be incomplete.

Risk for cats

Moderate risk

Buprenorphine is one of the most commonly used veterinary analgesics for cats, administered sublingually (highly bioavailable in cats due to buccal absorption) or parenterally. Unlike full agonist opioids, buprenorphine's ceiling effect on respiratory depression makes it substantially safer for feline analgesia than morphine or fentanyl. Cats undergoing surgical procedures or with painful conditions frequently receive buprenorphine as part of multimodal analgesia protocols. Accidental exposure of cats to human buprenorphine (Suboxone films, Butrans patches) can cause significant opioid toxicosis because the doses in human formulations far exceed veterinary analgesic dosing ranges for cats (human Suboxone 8 mg film versus typical cat dose ~0.01–0.02 mg/kg). Buprenorphine's very high mu receptor affinity means naloxone reversal requires very high doses or prolonged infusion and may be incomplete.

Regulatory consensus

2 regulatory and scientific bodies have classified Buprenorphine. The classifications differ — that's the data.

AgencyYearClassificationNotes
FDAApproved for opioid use disorder (OUD) treatmentAvailable as Suboxone (buprenorphine/naloxone sublingual), Sublocade (monthly injectable), and Probuphine (subdermal implant)
FDAApproved for pain treatmentAvailable as Belbuca (buccal film), Butrans (transdermal patch), and Brixtra (injection)

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where pets encounter buprenorphine

  • Industrial FacilitiesManufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Buprenorphine:

  • Therapeutic alternatives (consult prescriber)
    Trade-offs: Drug-specific. Cannot substitute without medical guidance.
    Relative cost: 1.2-2×

Frequently asked questions

What products contain buprenorphine?

Buprenorphine appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

See Buprenorphine in the pets app

Look up products containing buprenorphine, compare to alternatives, and explore the full data record.

Open in pets View raw API data

Sources (2)

  1. US FDA: Buprenorphine — OUD Treatment Approvals (Suboxone, Sublocade, Probuphine), Ceiling Effect on Respiratory Depression, Naloxone Abuse Deterrent Component, Pediatric Exposure Risk, Feline Analgesic Use, and Pregnancy/NOWS Outcomes (2022) (2022) — regulatory
  2. SAMHSA: Clinical Practice Guideline for the Treatment of Opioid Use Disorder — Buprenorphine Prescribing, Precipitated Withdrawal Management, Child Exposure Prevention (Suboxone film child-resistant packaging), and Comparison with Methadone (2023) (2023) — regulatory

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →