<unk> , sold under the brand name<unk> actam among others, is an antibiotic used primarily to treat infections caused by gram-negative bacteria such as Pseudomonas aeruginosa. This may include bone infections, endometritis, intra abdominal infections, pneumonia, urinary tract infections, and sepsis. It is given by intravenous or intramuscular injection or by inhalation. Common side effects when given by injection include pain at the site of injection, vomiting, and rash. Common side effects when inhaled include wheezing, cough, and vomiting. Serious side effects include Clostridium difficile infection and allergic reactions including anaphylaxis. Those who are allergic to other β-lactam have a low rate of allergy to<unk> . Use in pregnancy appears to be safe. It is in the monobactam family of medications.<unk>  inhibits cell wall synthesis by blocking peptidoglycan crosslinking to cause bacterial death.<unk>  was approved for medical use in the United States in 1986. It was removed from the World Health Organization's List of Essential Medicines in 2019. It is available as a generic medication. It is a manufactured version of a chemical from the bacterium Chromobacterium violaceum.
Aztreonam
Meropenem
Imipenem
Vancomycin
Cefepime
Resistin
Doripenem
Ertapenem