**Introduction to Cefazolin**
**Definition:**
Cefazolin is a first-generation cephalosporin antibiotic, widely used for its effectiveness against a broad spectrum of bacterial infections. It is administered intravenously or intramuscularly.
**Functions:**
1. **Antibacterial Action:** Effective against Gram-positive bacteria and some Gram-negative bacteria.
2. **Infection Prevention:** Commonly used to prevent infections during surgical procedures.
3. **Rapid Action:** Provides quick and potent bactericidal effects.
**Applications:**
1. **Medical Use:** Treats infections such as respiratory, urinary tract, skin, and bone infections.
2. **Surgical Prophylaxis:** Prevents post-surgical infections in procedures like orthopedic and cardiac surgeries.
3. **Veterinary Medicine:** Used to treat bacterial infections in animals.