Antiseptic

Definition

An antiseptic is a chemical substance used to inhibit or eliminate microorganisms on living tissues, such as skin. It is essential in preventing infections during medical procedures.

5 Must Know Facts For Your Next Test

1. Antiseptics are commonly used for handwashing and wound cleaning to prevent infection.
2. Alcohols, iodine compounds, and chlorhexidine are examples of commonly used antiseptics.
3. Unlike disinfectants, which are used on non-living surfaces, antiseptics are safe for use on human skin and mucous membranes.
4. Antiseptics work by disrupting the cell walls of microorganisms or interfering with their metabolism.
5. The effectiveness of an antiseptic can be influenced by factors like concentration, contact time, and the presence of organic matter.

Review Questions

• What distinguishes an antiseptic from a disinfectant?
• Name three common types of antiseptics.
• How do antiseptics typically work to control microbial growth?

Related terms

Disinfectant: A chemical agent used to destroy microorganisms on non-living surfaces.

Sterilization:

A process that eliminates all forms of microbial life, including spores.

Bactericide:

A substance that kills bacteria specifically.