**Cefixime: A Comprehensive Overview**
**Definition:**
Cefixime is a third-generation oral cephalosporin antibiotic, belonging to the beta-lactam class. It is known for its broad-spectrum activity against a wide range of bacterial pathogens.
**Function:**
Cefixime works by inhibiting bacterial cell wall synthesis, leading to the destruction of susceptible bacteria. It is particularly effective against Gram-negative bacteria, while also maintaining activity against some Gram-positive strains. Its extended half-life allows for convenient once or twice-daily dosing.
**Applications:**
Cefixime is widely used in clinical settings to treat various bacterial infections, including:
- Respiratory tract infections (e.g., bronchitis, pneumonia)
- Urinary tract infections (e.g., cystitis, pyelonephritis)
- Ear, nose, and throat infections (e.g., otitis media, pharyngitis)
- Gonorrhea and other uncomplicated sexually transmitted infections