Chlorhexidine

Definition

Chlorhexidine is an antiseptic agent used to reduce bacteria on the skin and mucous membranes. It is commonly used in healthcare settings for disinfection and sterilization purposes.

5 Must Know Facts For Your Next Test

1. Chlorhexidine is effective against a wide range of Gram-positive and Gram-negative bacteria, as well as some fungi and viruses.
2. It is often used in preoperative skin preparation and hand sanitizers in hospitals.
3. Chlorhexidine can cause skin irritation or allergic reactions in some individuals.
4. The substance works by disrupting the cell membrane of microorganisms, leading to cell death.
5. It is not effective against bacterial spores, making it less effective for complete sterilization compared to other agents like alcohol or iodine.

Review Questions

• What types of microorganisms are generally susceptible to chlorhexidine?
• In what common healthcare procedures is chlorhexidine used?
• How does chlorhexidine exert its antimicrobial effects?

Related terms

Antiseptic: A substance that prevents the growth of disease-causing microorganisms.

Disinfectant: A chemical agent used to destroy harmful microorganisms on surfaces.

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