In practice, using bacteriostatic water as a diluent for a single-dose medication in a nursing mother is unlikely to pose significant risk, but caution is still advised
There are speculations that non-pathogenic commensal microorganisms, which co-evolved with humans, have been a source of immunomodulatory signals for the human body (the old friends hypothesis), and now prevent the development of immune-mediated chronic diseases (the hygiene hypothesis), with the proper composition of the microbiome promoting the maintenance of the bodys immune balance (the biodiversity hypothesis) [1, 39, 53, 54]
If an opened vial of Bac Water was left at room temperature for an extended period (e.g., overnight), our team strongly recommends discarding it
While my routine is weekly, everyone's needs are different