Vitamin B12 side effects in Domestic Shorthairs

217 FDA reports involve Vitamin B12 in a Domestic Shorthair. These are the problems they describe.

Loss of appetite
67 31%
Vomiting
48 22%
Lethargy
48 22%
Weight loss
41 19%
Death
37 17%
Didn't work as expected
34 16%
Wobbliness (ataxia)
31 14%
Kidney problems
26 12%
Liver problems
21 9.7%
Dehydration
20 9.2%
Weakness
17 7.8%
Behaviour change
17 7.8%

All reports for Vitamin B12 in cats