B12
27 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.
27
Total Reports
4
Deaths Reported
1480.0%
Death Rate
Active Ingredients
B12
Administration Routes
UnknownSubcutaneousOralParenteral
Species Affected
Cat 14
Dog 12
Human 1
Most Affected Breeds
Domestic Shorthair 8
Domestic Mediumhair 3
Crossbred Canine/dog 2
Mountain Cur 2
Terrier - Yorkshire 2
Mountain Dog - Bernese 2
Schnauzer - Miniature 1
Unknown 1
Spitz - German Pomeranian 1
Retriever - Golden 1
Most Reported Reactions
Vomiting 8
Diarrhoea 5
Weight loss 5
Decreased appetite 5
Ataxia 5
Elevated alanine aminotransferase (ALT) 5
Lethargy (see also Central nervous system depression in Neurological) 5
Application site reddening 3
Twitching 3
Seizure NOS 3
Anaemia NOS 3
Bloody diarrhoea 3
Outcome Breakdown
Ongoing
11 (40.7%)
Outcome Unknown
8 (29.6%)
Recovered/Normal
4 (14.8%)
Died
2 (7.4%)
Euthanized
2 (7.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.