TABLE 3.
Antibiotic drug classes prescribed to dogs and cats on the study day.
| Number of drugs (n, %) | |||
|---|---|---|---|
| For dogs (n = 365) | For cats (n = 87) | Total (n = 452) | |
| Topical preparation a | 19, 5.2% | 7, 8.0% | 26, 5.8% |
| Systemic preparation, all b | 346, 94.8% | 80, 92.0% | 426, 94.3% |
| Aminoglycosides | 2, 0.6% | 0, 0% | 2, 0.5% |
| Amphenicols (chloramphenicol) | 3, 0.9% | 0, 0% | 3, 0.7% |
| Cephalosporins, first generation | 93, 26.9% | 11, 13.8% | 104, 24.4% |
| Cephalosporins, second generation | 5, 1.4% | 1, 1.3% | 6, 1.4% |
| Cephalosporins, third generation | 12, 3.5% | 5, 6.3% | 17, 4.0% |
| Fluoroquinolones | 51, 14.7% | 19, 23.8% | 70, 16.4% |
| Imidazoles (metronidazole) | 19, 5.5% | 5, 6.3% | 24, 5.6% |
| Lincosamides (clindamycin) | 10, 2.9% | 6, 7.5% | 16, 3.8% |
| Macrolides | 11, 3.2% | 2, 2.5% | 13, 3.1% |
| Penicillins | 11, 3.2% | 4, 5.0% | 15, 3.5% |
| Potentiated penicillins | 115, 33.2% | 27, 33.8% | 142, 33.3% |
| Tetracyclines (doxycycline) | 14, 4.0% | 0, 0% | 14, 3.3% |
Topical antibiotic drug preparations include ophthalmic, dermatologic, and otic.
Systemic antibiotic drugs in each drug class: Aminoglycosides: amikacin and neomycin; Amphenicols: chloramphenicol; Cephalosporins, first‐generation: cefazolin and cephalexin; Cephalosporins, second‐generation: cefoxitin; Cephalosporins, third‐generation: cefovecin, cefpodoxime proxetil, and ceftazidime; Fluoroquinolones: enrofloxacin, marbofloxacin, orbifloxacin, and pradofloxacin; Imidazoles: metronidazole; Lincosamides: clindamycin; Macrolides: azithromycin and tylosin; Penicillins: amoxicillin and ampicillin; Potentiated penicillins: amoxicillin‐clavulanic acid, ampicillin‐sulbactam, and piperacillin‐tazobactam; Tetracyclines: doxycycline.