Amoxicillin (and ampicillin) are effective against many gram postive and some gram negtive bacteria. Most of the infections that birds have are gram negative, so penicillin based products won’t work with most infections. Amoxicillin (penicillin based) is used for cat bites in birds with good results, as Pasteruella is a gram positive bacteria.
The penicillin antibiotics have limited use in birds except for Pasteurella infections. For cat bites, Amoxicillian is a better choice to use, not because it works any better but because the less we use Baytril (see below), the better chance we have of not causing a resistant bacteria to develop.[Read more…]