Baytril is a brand name for the prescription antibiotic enrofloxacin, which is used to treat bacterial infections in dogs and cats. It is commonly used to treat respiratory, urinary tract, and skin infections in dogs, and skin infections in cats. Baytril is a broad-spectrum antibiotic that kills both Gram-negative and Gram-positive bacteria, making it effective against a wide range of infections. However, it is important to note that Baytril is not recommended for use in dogs during the rapid growth phase, and caution should be used when administering it to pregnant dogs. Baytril should only be given with a prescription from a licensed veterinarian, and pet owners should follow their veterinarians directions and cautions very carefully.