**Classification:**
Vancomycin is a tricyclic glycopeptide antibiotic that was originally derived from the organism Streptococcus orientalis.
**Pharmaceutical Forms:**
Vancomycin is available in two pharmaceutical forms:
1. Vials containing 500 mg of Vancomycin.
2. Vials containing 1 g of Vancomycin.
**Indications:**
Vancomycin is used to treat various medical conditions, including but not limited to:
1. Endocarditis (infections of the heart’s lining and valves).
2. Osteomyelitis (bone infections).
3. Pneumonic infections.
4. Acute infections that are resistant to other antibiotics, including penicillin and cephalosporin.
5. Pseudomembranous colitis associated with antibiotics caused by Clostridium difficile.
6. Lung infections.
7. Peritonitis (inflammation of the abdominal lining).
8. Meningitis (infections of the membranes surrounding the brain and spinal cord).
Vancomycin is a potent antibiotic often reserved for serious infections when other antibiotics are not effective or when the infecting bacteria are resistant to other treatments.