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Dictionary · Drug

antimicrobial

A drug or substance that kills or slows the growth of microorganisms such as bacteria, viruses, fungi or parasites.

an-tee-my-KROH-bee-ul noun

Word parts

What it means

The group includes antibiotican-tee-by-OT-ikA drug that kills bacteria or stops them from growing.anti- againstbi/o life-ic relating toFull entry s (against bacteria), antivirals, antifungals and antiparasitic drugs. Antiseptics and disinfectants are antimicrobials used on skin and surfaces. Overuse and misuse let germs become resistant, so hospitals run antimicrobial stewardship programs.

For the nurse

Give doses on time, get cultures before the first dose when ordered, and teach clients to finish the course as prescribed and never share or save antibiotics.

At a glance

Spanishantimicrobiano
Also writtenantimicrobials, antimicrobial agent, antimicrobial agents

Related terms

infectious disease

An illness caused by a germ such as a bacterium, virus, fungus or parasite.

MRSA

Methicillin-resistant Staphylococcus aureus, a staph bacterium that many common antibiotics cannot kill.

antibiotic

A drug that kills bacteria or stops them from growing.

viral infection

An illness caused by a virus, a very small germ that can multiply only inside living cells.

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