This document discusses different types of antimicrobial drugs including antibiotics, their mechanisms of action such as inhibiting cell wall synthesis and protein synthesis, and how they are evaluated including using disk diffusion and broth dilution tests. It also mentions issues like developing drug resistance and the importance of using antibiotics safely and in combinations.

1. Chapter 20 Antimicrobial Drugs

2. Chemotherapy Antibiotic Synthetic Semisynthetic Bactericidal Bacteriostatic

3. Spectrum of activity Broad spectrum Narrow spectrum Selective toxicity

4. Action of antimicrobial drugs Inhibition of cell wall synthesis

6. Action of antimicrobial drugs Inhibition of cell wall synthesis Inhibition of protein synthesis

8. Action of antimicrobial drugs Inhibition of cell wall synthesis Inhibition of protein synthesis Injury to plasma membrane

10. Action of antimicrobial drugs Inhibition of cell wall synthesis Inhibition of protein synthesis Injury to plasma membrane Inhibition of nucleic acid synthesis Inhibition of synthesis of essential metabolites

12. Other antimicrobials Antifungal drugs Antiviral drugs Antiprotozoan drugs Antihelminthic drugs

13. Evaluation of antimicrobials Disk-diffusion method

16. Evaluation of antimicrobials Disk-diffusion method Broth dilution tests

18. Effectiveness of antimicrobial agents Drug resistance Antibiotic safety Combination of drugs