Master formulation and compounding records
Ingredients
Ingredient chips: FDA 503A categories and lists, 21 CFR 216.24, and NIOSH hazardous drugs. Check an ingredient in detail, including FDA shortages.
Beyond-use date
Current: 90 days · Duration supported by the cited stability study for this formula, container, and storage.
Work out the BUD
Beyond-use date
14 days
Refrigerator
- Nonpreserved aqueous dosage form: 14 days, refrigerated.
USP <795> §10.4 (CNSPs requiring shorter BUDs), Table 4 (BUD limits by type of preparation)
Rules current as of the USP <795> and <797> revisions official November 1, 2023. Verify against the current official USP chapter before assigning a BUD.
Master formulation record: Vancomycin oral solution 12.5 mg/mL
Oral solution · Oral · Nonsterile (USP <795>) · Batch 100 mL
Ingredients
| Ingredient | Role | Quantity |
|---|---|---|
| Vancomycin hydrochloride | active | 1.25 g |
| Citric acid (with bulk powder) | buffer | |
| Simple Syrup, USP | vehicle | q.s. |
Equipment
- Class A prescription balance or electronic balance
- Mortar and pestle
- Graduated cylinder
Quality control
- Visual inspection: uniform appearance, no foreign matter
- Final volume or weight checked
Packaging, storage, and BUD
Container: High-density polyethylene (HDPE) bottles · Storage: Refrigerator · BUD: 90 days
Basis: Duration supported by the cited stability study for this formula, container, and storage. Arroyo-Solorzano JD et al. Cureus. 2025;17(9):e91993. PMC12515258
Labeling
Shake well. Store as directed. Discard after the beyond-use date.
References
- 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. PMC12515258. https://pmc.ncbi.nlm.nih.gov/articles/PMC12515258/
Notes
Buffering with citric acid kept pH in range; the unbuffered formulation drifted.
Record contents follow the master formulation and compounding record sections of USP <795> and <797>; check your state board's requirements. For licensed clinicians. Use with clinical judgment.