Beside sterile abscesses, the use of Baytril over longer periods of time may lead to muscle necrosis. Fluoroquinilone antibiotics can moreover lead to cartilage damage of the cartilage and damage of joints (arthropathy) when used over a longer period in young rabbits. 1  Ivana Miloević. 2  Sterile abscess in a rabbit, after injection of enrofloxacin.