1. not caused by or involving bacteria
Usage: medical

Examples

• The doctor diagnosed a nonbacterial infection that required antiviral medication.
• Nonbacterial pneumonia is often caused by viruses or fungi.
• The patient’s nonbacterial urethritis did not respond to antibiotics.
• Many cases of food poisoning are nonbacterial in origin.
• The lab results confirmed a nonbacterial cause for the inflammation.
• Nonbacterial meningitis can be caused by viruses or other pathogens.