Vitamin B12 side effects in Labrador Retrievers

31 FDA reports involve Vitamin B12 in a Labrador Retriever. These are the problems they describe.

Vomiting
13 42%
Lethargy
10 32%
Loss of appetite
9 29%
Liver problems
5 16%
Death
5 16%
Breathing problems
4 13%
Urine abnormalities
3 9.7%
Urinary tract infection
3 9.7%
Itching
3 9.7%
Kidney problems
3 9.7%
Tremors
3 9.7%
Behaviour change
3 9.7%

All reports for Vitamin B12 in dogs