Literature: open-access stability study

Vancomycin 12.5 mg/mL oral solution

Ingredients

IngredientRoleFor 100 mL
Vancomycin hydrochlorideactive1.25 g
Citric acid (with bulk powder)bufferSee the study
Simple Syrup, USPvehicleq.s. to 100 mL
Strength
12.5 mg/mL
Starting material
Vancomycin hydrochloride injectable powder, or bulk powder buffered with citric acid
Container
High-density polyethylene (HDPE) bottles
  • Buffering with citric acid kept pH in range; the unbuffered formulation drifted.

Amounts are ClinDose's arithmetic from the study's concentration; follow the study for the method.

Storage and beyond-use date

StorageBUDBasis
Refrigerated90 daysCited stability study. Duration supported by the cited stability study for this formula, container, and storage.
Room temperature30 daysCited stability study. Duration supported by the cited stability study for this formula, container, and storage.

Only the storage conditions the source covers are listed. Use the BUD assistant for other cases. The BUD may not be later than any component's expiration date. Verify against the current official USP chapter.

Ingredient checks

No FDA compounding list or NIOSH flags for the active ingredient.

Source

Arroyo-Solorzano JD, Martínez-Carpio S, Blanco-Barrantes J, et al.. Analysis of the Stability of Compounded Vancomycin Hydrochloride Oral Solution: A Comparison Between Formulations Prepared Using a Commercial Product and Using the Pure Active Ingredient. Cureus. 2025;17(9):e91993. PMID 41084695. PMC12515258. License: CC BY (checked 2026-11-06). Read the article · DOI

For licensed clinicians. Use with clinical judgment.