Alexidine

Definition

Alexidine is a broad-spectrum antimicrobial agent commonly used as an antiseptic and disinfectant. It is particularly effective against both Gram-positive and Gram-negative bacteria.

5 Must Know Facts For Your Next Test

1. Alexidine disrupts microbial cell membranes leading to cell death.
2. It is often compared to chlorhexidine in terms of efficacy but has a faster onset of action.
3. Frequently used in oral care products, such as mouthwashes, due to its antimicrobial properties.
4. Alexidine shows effectiveness against biofilms, which are challenging to eliminate.
5. It is less likely to cause resistance compared to some other disinfectants.

Review Questions

• How does alexidine exert its antimicrobial effects?
• In what type of products is alexidine commonly found?
• Why might alexidine be preferred over other antimicrobial agents like chlorhexidine?

Related terms

Chlorhexidine: A widely used antiseptic that kills bacteria by disrupting their cell membranes.

Antiseptic: Substances that prevent the growth of disease-causing microorganisms on living tissues.

Biofilm: A complex aggregation of microorganisms growing on a solid substrate, often resistant to antimicrobial agents.