Dog
2,460 reported events
openFDA
Top reactions: Vomiting (576) · Lack of efficacy - NOS (537) · Death (449) · Diarrhoea (368) · Bradycardia (350)
active substance
Butorphanol — veterinary medicines
Authorised animal medicines containing Butorphanol across national registers. Regulatory residue limits (MRL) and antimicrobial-resistance surveillance are shown when on record. This is a neutral reference and does not provide dosing or veterinary advice.
Reference information only — not veterinary advice and not a dosing source. Always consult a licensed veterinarian before giving any medicine to an animal.
Target species
HorsesDogsCats
Authorised products
19 authorised products across national registers.
United Kingdom — VMD
- Alvegesic Vet. 10 mg/ml Solution for Injection for Horses, Dogs and Cats · 2 pack sizes
- Butador 10 mg/ml Solution for Injection for Horses, Dogs and Cats · 2 pack sizes
- ButorVet 10 mg/ml Solution for Injection for Horses, Dogs and Cats · 2 pack sizes
- Dolorex 10 mg/ml Solution for Injection for Horse, Dog and Cat
- Torbugesic 10 mg/ml Solution for Injection · 2 pack sizes
- Torphadine 10 mg/ml Solution for Injection for Dogs, Cats and Horses · 2 pack sizes
- Torphasol 10 mg/ml Solution for Injection for Horses · 2 pack sizes
Canada — Health Canada DPD
Residue limits (MRL)
No residue limits (MRL) are recorded for this substance.
Antimicrobial resistance surveillance
No antimicrobial-resistance surveillance is recorded for this substance.
Reported adverse events (openFDA)
Spontaneous adverse-event reports that name Butorphanol, by species — reported counts, not proven reactions.
Cat
1,275 reported events
openFDA
Top reactions: Death (387) · Behavioural disorder NOS (207) · Anorexia (176) · Not eating (168) · Cardiac arrest (166)
Horse
98 reported events
openFDA
Top reactions: INEFFECTIVE, SEDATION (41) · Death (40) · Underdose (31) · Lack of efficacy - NOS (30) · Ataxia (27)
Source: openFDA Animal & Veterinary adverse-event reports.
Surveillance reference only — these are spontaneous adverse-event report counts, not proven adverse reactions, not causation and not a measure of any product's risk or safety. Always consult a licensed veterinarian.
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