Antibiotics

1

• Antibiotics made by fungi or bacteria
• Chemotherapeutics synthetic
• Both of these are antimicrobics

2
Antibiotics that affect peptidoglycan in cell
walls

• Penicillin
• Ampicillin
• Oxacillin
• Vancomycin
• (most effective against Gram-positives)

3
Antibiotics that affect protein synthesis

• Tetracycline
• Streptomycin
• Gentamycin
• Neomycin
• Kanamycin
• Chloramphenicol
• Erythromycin

4
Antibiotics that affect DNA or RNA synthesis

• Quinolones Ciprofloxacin and Levaquin

5
Chemotherapeutics that affect folic acid
synthesis

• Sulfonamide sulfa drugs
• (in humans, folic acid is one of the B vitamins,
  B9)