Morphine
349 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.
349
Total Reports
72
Deaths Reported
2060.0%
Death Rate
Active Ingredients
Morphine
Administration Routes
UnknownIntramuscularSubcutaneousIntravenousParenteralEpiduralOral
Species Affected
Dog 276
Cat 57
Horse 6
Human 3
Pig 2
Goat 2
Donkey 1
Other 1
Cattle 1
Most Affected Breeds
Retriever - Labrador 50
Domestic Shorthair 35
Dog (unknown) 25
Boxer (German Boxer) 14
Crossbred Canine/dog 14
Retriever - Golden 11
Dachshund (unspecified) 10
Chihuahua 9
Terrier - Yorkshire 8
Shih Tzu 8
Most Reported Reactions
Vomiting 54
Other abnormal test result NOS 48
Lethargy (see also Central nervous system depression in 'Neurological') 42
Death 38
Anorexia 37
Death by euthanasia 34
Lack of efficacy - NOS 32
Bradycardia 24
Elevated alanine aminotransferase (ALT) 20
Weight loss 20
Seizure NOS 20
Not eating 20
Outcome Breakdown
Recovered/Normal
141 (40.8%)
Ongoing
70 (20.2%)
Outcome Unknown
57 (16.5%)
Died
37 (10.7%)
Euthanized
36 (10.4%)
Recovered with Sequela
5 (1.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.