AZTRACK500MG INJECTION contains Aztreonam which belongs to the group of medicines called Antibiotics. It is used to treat serious bacterial infections such as urinary tract infections (including pyelonephritis and cystitis and asymptomatic bacteriuria), lower respiratory tract infections (including pneumonia and bronchitis), bacteraemia/septicemia, bone and joint infections, skin and skin-structure infections (including those associated with postoperative wounds, ulcers and burns).