A topical bacteriostat that is available as various salts. It is used in wound dressings and mouth infections and may also have antifungal action, but may cause skin ulceration.

Quinolinium compounds are organic salts formed by the protonation of quinoline, characterized by a positively charged nitrogen atom surrounded by an aromatic ring, which have been used in various applications including as antimicrobial agents and chemical research.

Substances used on humans and other animals that destroy harmful microorganisms or inhibit their activity. They are distinguished from DISINFECTANTS, which are used on inanimate objects.