Xylazine Hcl
121 adverse event reports submitted to the FDA
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
121
Total Reports
31
Deaths Reported
2560.0%
Death Rate
Active Ingredients
Xylazine Hcl
Administration Routes
IntravenousUnknownIntramuscularSubcutaneousIntra-ArterialIntraperitoneal
Species Affected
Horse 51
Dog 34
Cat 24
Rat 3
Rabbit 2
Pig 2
Other Birds 1
Mouse 1
Other Rodents 1
Cattle 1
Most Affected Breeds
Horse (unknown) 21
Quarter Horse 17
Domestic Shorthair 13
Thoroughbred 7
Retriever - Labrador 7
Dog (unknown) 5
Unknown 4
Boxer (German Boxer) 4
Cat (other) 4
Domestic Longhair 3
Most Reported Reactions
INEFFECTIVE, ANESTHESIA 19
Death 15
Lethargy (see also Central nervous system depression in 'Neurological') 11
Death by euthanasia 10
Other abnormal test result NOS 9
Lack of efficacy - NOS 9
Tachycardia 9
Hypothermia 8
Seizure NOS 8
Behavioural disorder NOS 8
INEFFECTIVE, SEDATION 7
Anorexia 6
Outcome Breakdown
Recovered/Normal
68 (54.4%)
Died
20 (16.0%)
Ongoing
16 (12.8%)
Euthanized
11 (8.8%)
Outcome Unknown
10 (8.0%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.