In essence, sterile water for injection is pure water with no preservative , meant for immediate, single-use dilution of medications, whereas bacteriostatic water for injection is sterile water with a preservative (like benzyl alcohol) that allows for multiple uses from the same container by suppressing bacterial growth
Bacteriostatic Water (BAC Water) is a sterile, non-pyrogenic solution of sterile water containing0.9% benzyl alcohol (as a bacteriostatic preservative)
As a result, coverage of GLP-1 drugs for the treatment of obesity remains optional for states, while coverage is required for drugs approved for the treatment of diabetes and, since March 2024 and December 2024, for the treatment of cardiovascular disease (Wegovy) and moderate to severe obstructive sleep apnea in adults with obesity (Zepbound), respectively (Table 1)
How Long Does the Effect Last
in Biochemical Pharmacology (2018)