Berberine sulfate, an alkaloid extracted from several plants, possesses antimicrobial activity against a wide variety of microorganisms including Gram-positive and Gram-negative bacteria, fungi, and protozoa.

Cefonicid sodium is a broadspectrum cephalosporin antibiotic which inhibits the formation of the bacterial cell wall.

A tetracycline antibiotic with neuroprotective, antiapoptotic, anti-inflammatory and antimicrobial effects.