| Aminoglycoside | Amikacin | 60 days (WHO, 2014) | Unknown | Intrinsic (Chow, 2000) | Can be acquired (Chow, 2000) | Can be acquired (Gold et al., 2014) |
|
| Gentamicin | 4 weeks (Bastani et al., 2005) | Unknown | Intrinsic (Hollenbeck and Rice, 2012) | Can be acquired (Hollenbeck and Rice, 2012) | Intrinsic (Cattoir, 2016; Domínguez et al., 2002; Vestergaard et al., 2016) |
|
| Kanamycin | 12 months (US Biological Life Sciences, 2023) | 30+ days (Ryan et al., 1970) | Intrinsic (Hollenbeck and Rice, 2012) | Unknown | Observed, unknown if intrinsic or acquired (Domínguez et al., 2002) |
|
| Streptomycin | 2 weeks (Millipore Sigma, 2021) | 30+ days (Ryan et al., 1970) | Intrinsic (Hollenbeck and Rice, 2012) | Can be acquired (Chow, 2000) | Intrinsic (Jensen and Lyon, 2009) |
|
| Tobramycin | 96 hours (GlobalRPH, 2001) | Unknown | Intrinsic (Hollenbeck and Rice, 2012) | Unknown | Observed, unknown if intrinsic or acquired (Domínguez et al., 2002) |
| Beta-lactam | Cephalosporin | 7–30 days (Xu et al., 2002) | Unknown | Intrinsic (Hollenbeck and Rice, 2012) | Intrinsic (Hollenbeck and Rice, 2012) | Intrinsic (Bruns and Keppeler, 1980) |
| Carbapenem (beta-lactam with hydrolase resistance) | Ertapenem | 24 hours (GlobalRPH, 2008) | Unknown | Intrinsic (Werth, 2022) | Unknown | Can be acquired (Gesser et al., 2004; Ghosh and Banerjee, 2016) |
| Lincomycin | Clindamycin | 32 days (GlobalRPH, 2007) | Unknown | Intrinsic (Hollenbeck and Rice, 2012) | Unknown | Can be acquired (Bastani et al., 2005) |
| Macrolide | Erythromycin | 7 days (Al-Ramahi et al., 2015) | 30+ days (Ryan et al., 1970) | Can be acquired (Kristich et al., 2014) | Can be acquired (Kristich et al., 2014) | Can be acquired (Miklasińska-Majdanik, 2021) |
| Penicillin-like beta-lactams | Amoxicillin | 10 days (Al-Ramahi et al., 2015) | Unknown | Can be acquired (Conceição et al., 2012) | Can be acquired (Conceição et al., 2012) | Intrinsic (Bruns and Keppeler, 1980) |
|
| Ampicillin | 3 weeks (Sigma-Aldrich, 2016) | 7 days (Ryan et al., 1970) | Can be acquired (Hollenbeck and Rice, 2012; Kristich et al., 2014) | Can be acquired (Hollenbeck and Rice, 2012; Kristich et al., 2014) | Intrinsic (Bruns and Keppeler, 1980) |
|
| Penicillin | 2 weeks (21) | 7 days (Ryan et al., 1970) | Intrinsic (Hollenbeck and Rice, 2012) | Unknown | Intrinsic (Bruns and Keppeler, 1980; Lowy, 2003) |
| Tetracycline | Tetracycline | 2 weeks (Barrick Lab, 2022) | 30+ days (Ryan et al., 1970) | Can be acquired (Wilcks et al., 2005) | Can be acquired (Wilcks et al., 2005) | Can be acquired (Grossman, 2016) |
