26 / 144 danmap 2015 26 introduction to danmap 3. 3.2.2 registered antimicrobial agents table 3.2 shows the antimicrobial agents that are registered to treat bacterial infections in humans and animals. some of these are considered to be critically important for treating bacterial infections in humans. an antimicrobial agent is consi- dered critically important if it is the only compound, or one of a limited number compounds, available to treat serious human disease. fluoroquinolones, 3rd and 4th generation cephalo- sporins, macrolides and glycopeptides are among these criti- cally important antimicrobial agents [agisar, 3.revision, who 2011]. critically important antimicrobial agents are also used to treat diseases in food animals and pets, and bacteria that are resistant to critically important agents may be transmitted to humans. also, bacteria that cause human disease may acquire resistance genes from bacteria of animal origin. growth promoters, which are no longer used for animals in