Welcome! I would be happy to assist you. I am a 2003 graduate from UC Davis and a Medical Director of a veterinarian practice.
No, there is almost nothing to support that this supplement would be of any benefit for FIV infection. Certainly, if there was some concurrent infection in the body, perhaps it could be of a little benefit.
But, this outdoor kitty may also have feline leukemia, possible intestinal parasites like giardia, coccidia
, or worms
. In addition, the sore in the mouth could be a ulcer associated with oral viral infection. That is on top of bacterial infection.
He is screaming to get into a vet for an initial assessment, FeLV/FIV testing, deworming, fecal test.
The vet could also start some lysine supplementation that can be good with viral infections, some antibiotics, etc...
There is no good universal dosing recommendation, but you can use the following as a guide:
Sorry that was not the most uplifting answer, but wanted to be honest.
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