- For subjects with VRE, known or suspected hypersensitivity to tigecycline or linezolid, or other compounds related to these classes of antibacterial agents (eg, oxazolidinones, tetracyclines, minocycline, doxycycline). For subjects with MRSA, known or suspected hypersensitivity to tigecycline or vancomycin, or other compounds related to these classes of antibacterial agents (eg, tetracyclines, minocycline, doxycycline)