Bacteriostatic

Definition

Bacteriostatic refers to a type of antibiotic that inhibits the growth and reproduction of bacteria, rather than killing them directly. This allows the immune system to eliminate the pathogens.

5 Must Know Facts For Your Next Test

1. Bacteriostatic antibiotics work by targeting bacterial protein synthesis, DNA replication, or other vital processes.
2. They are different from bactericidal antibiotics, which kill bacteria outright.
3. Common bacteriostatic agents include tetracyclines, sulfonamides, and macrolides.
4. The effectiveness of bacteriostatic drugs depends on a functioning immune system to clear the infection.
5. In certain situations, bacteriostatic and bactericidal drugs may be used in combination therapy.

Review Questions

• What is the primary function of a bacteriostatic antibiotic?
• Name two common types of bacteriostatic agents.
• Why might a healthcare provider choose a bacteriostatic drug over a bactericidal one?

Related terms

Bactericidal:

A type of antibiotic that kills bacteria directly.

Antibiotic Resistance:

The ability of bacteria to withstand the effects of an antibiotic.

Macrolide: A class of antibiotics that includes erythromycin and works by inhibiting protein synthesis.