Aztreonam%25252525252525252525252525252520avibactam%25252525252525252525252525252520%25252525252525252525252525252528avycaz%25252525252525252525252525252529

# Aztreonam-avibactam (Avycaz) ## Overview Aztreonam-avibactam is a combination of aztreonam, a monobactam beta-lactam antibiotic, and avibactam, a beta-lactamase inhibitor. It is active against many Gram-negative bacteria, including those producing certain extended-spectrum beta-lactamases (ESBLs), carbapenemases (e.g., KPC, OXA-48-like), and Amp