Enrofloxacin 10% (Baytril) is also used to treat reproductive disorders and other infections. Sometimes you can get the kind for pigeons, fish, or dogs and cats without prescription, and use it. Human and animal antibiotics are the same ones that can be used on chickens, as long as you don’t eat their eggs for several weeks. Veterinarians even in the US, normally need to see a chicken in order to prescribe medicines. It is against the law, and they can lose their licenses.