Controlled-Substance Refills Left
Controlled-substance refills left under federal rules.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Schedule
- Schedule IV
- Date issued
- 2026-10-03
- Date of the fill being checked
- 2027-02-10
- Refills authorized
- 5
- Refills already dispensed
- 3
Result: Schedule IV: 2 refills left, dispensable until April 3, 2027, 6 months after issue; whichever runs out first ends the prescription (21 CFR 1306.22(a)).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Schedule
- Date issued (YYYY-MM-DD)
- Date of the fill being checked (YYYY-MM-DD)
- Refills authorized
- Refills already dispensed
How this is calculated
Citation
21 CFR 1306.12(a) (no C-II refills), 1306.22(a) (C-III and C-IV: no more than 5 refills, nothing dispensed more than 6 months after issue), 1306.23 (partial fills). C-V refills have no federal limit. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.