Melarsomine (Immiticide) side effects in Mastiffs

105 FDA reports involve Melarsomine in a Mastiff. These are the problems they describe.

Swelling
22 21%
Didn't prevent heartworm
18 17%
Injection site reaction
17 16%
Loss of appetite
16 15%
Lethargy
15 14%
Vomiting
14 13%
Liver problems
10 9.5%
Diarrhea
9 8.6%
Death
8 7.6%
Collapse
6 5.7%
Pain
5 4.8%
Weight loss
5 4.8%

All reports for Melarsomine in dogs