Aztreonam belongs to the class of monobactams beta- lactam antibiotic.

Monobactam antibiotic

Severe respiratory infections.
Urinary tract infections.
Septicemia.
Intra-abdominal infections.
Skin and soft tissue infections.
Nosocomial infections.

Aztreonam inhibits bacterial cell wall synthesis in gram-negative organisms by targeting penicillin-binding proteins, resulting in bacterial death.