Narrow-spectrum antimicrobials are commonly used for prophylaxis following surgery.

β-lactamases can degrade vancomycin.

Echinocandins, known as “penicillin for fungi,” target β(1→3) glucan in fungal cell walls.

If drug A produces a larger zone of inhibition than drug B on the Kirby-Bauer disk diffusion test, drug A should always be prescribed.

The rate of discovery of antimicrobial drugs has decreased significantly in recent decades.