Which source answers which question?
The approved label answers what the product is, what it is for, and where it must not be used. CDC guidance answers how healthcare workers handle multi-dose vials. FDA databases answer approval, recalls, online enforcement, and shortage status.
The federal pharmacy-cost file adds one kind of price: the average amount pharmacies pay wholesalers. It is not the amount a person pays at a counter.
The label and government records support the main guide. Search-volume data shaped which questions appear. Commercial pages supplied only dated price observations.
The short reading list
Approved bacteriostatic water label
The description, uses, storage condition, newborn warning, and instructions to follow the other medicine’s label.
Read the full labelDrugs@FDA approval record
The application record for NDA 018802 and its prescription marketing status.
Open the application recordNDC Directory guide
FDA’s explanation that an NDC number does not, by itself, prove approval.
Read how the directory worksMulti-dose vial guidance
The basis for dating an opened vial, the general discard interval, and keeping a vial to one patient where possible.
Read the injection guidanceSafe injection practices
The clinical guidance on clean preparation, sterile equipment, and when vial cleanliness is in doubt.
Read the clinical guidanceNewborn deaths linked to benzyl alcohol
The public record behind the newborn warning. The report concerns preserved saline, not bacteriostatic water.
Read the CDC reportCurrent shortage record
The federal record for the product’s current shortage and limited availability.
Open the shortage dataPharmacy acquisition cost
The federal benchmark used to separate wholesale acquisition from consumer cash prices.
Open the cost fileRecall records
The enforcement records for bacteriostatic water recalls, most tied to a lack of proof of sterility.
Open the recall dataOnline warning letters
The searchable record showing how FDA treats “research use only” notices and injectable products sold together.
Search the warning lettersWords the records use
Bacteriostatic
Holds bacterial growth back. It does not mean sterile or self-cleaning.
Nonpyrogenic
Free of the bacterial residue that can cause fever when it reaches the blood.
Multiple-dose vial
A bottle made to be entered more than once. The label, not the bottle size, identifies it.
Beyond-use date
The shorter clock that begins when a container is first entered. It is separate from the printed expiration date.
NDC number
A product number used in the United States. It helps with a lookup, but it does not prove approval.
NDA
The FDA application that holds a medicine’s approval. The approved bacteriostatic water product points to NDA 018802.
What this source trail cannot do
No general source can decide the liquid or amount for a particular medicine. That answer stays with the medicine’s current label and a pharmacist or prescriber.
The listed records can also change. Approval listings, shortage status, recall status, and prices need a fresh check before a personal decision.
This guide does not rank products, name a preferred place to order, or turn the evidence into a mixing procedure.