amoxicillin powder

Can You Use Fish Mox On Cats Petco? Amoxicillin for fish, dogs, cats and other pets is a prescription medication requiring a veterinarian’s authorization. Pet parents are unlikely to find this antibiotic at pet stores without on-site veterinary services or a pet pharmacy. What is the best antibiotic for a cat? Amoxil (Amoxicillin). … Vibramycin