Lysine side effects in Domestic Shorthairs

63 FDA reports involve Lysine in a Domestic Shorthair. These are the problems they describe.

Didn't work as expected
13 21%
Loss of appetite
12 19%
Death
11 17%
Vomiting
10 16%
Drooling
8 13%
Lethargy
8 13%
Sneezing
7 11%
Behaviour change
7 11%
Application site reaction
6 9.5%
Itching
6 9.5%
Hair loss
6 9.5%
Wobbliness (ataxia)
6 9.5%

All reports for Lysine in cats