The primary use of anti-infectives (which include <A HREF="http://ratguide.com/meds/antimicrobial_agents/index.php"&rt;Antimicrobial Agents</A&rt;), is to kill or inhibit the growth of organisms such as bacteria, parasites or fungi, thus limiting infection. Anti-infective agents that are too toxic to be used systemically (such as bleach or antiseptics) are not included in the Medicine Guide at this time.