Beyond-use date assistant

Choose the preparation and storage; the BUD and its basis update as you go. A cited stability study can shorten any BUD and, for nonsterile preparations, extend it up to the chapter's limit. A component's expiration date always caps the BUD.

Preparation

Nonsterile (USP <795>)Sterile (USP <797>)

Dosage form

Aqueous (water-containing)Nonaqueous oral liquidOther nonaqueous (capsules, powders, suppositories, anhydrous ointments)

Contains a preservative (preserved aqueous)

Water activity (optional)0.60 or higher is aqueousUSP–NF monograph BUD (optional)Only when following the monograph exactly

Storage

Controlled room temperatureRefrigerator

Compounding date (optional)Earliest component expiration (optional)

Apply a stability study for this preparation

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.

ClinDose writes the chapters' rules as logic and cites the section; it does not reproduce USP text. For licensed clinicians. Use with clinical judgment.