The fluoroquinolone antibiotics, which include drugs like Cipro, were first introduced in the 1980s. They inhibit DNA gyrase, an enzyme needed for bacterial DNA replication and therefore bacterial cell replication. Fluoroquinolones are used for lower respiratory tract infections, especially in the treatment of infections caused by methicillin-sensitive or resistant staphylococci, Pseudomonas and intracellular organisms.

Fluoroquinolones [...]