health · free Companion App · local in this browser
Medication Refill Lead Time Calculator
Count how many days before running out you need to request a refill.
Enter your numbers
Enter only the details needed for this task. Check them against the original source.
Your result
This tool gives general information. It is not medical advice. Speak to a licensed clinician before you make a health decision.
Your result will appear here.
Engine self-test
Running golden cases…
Source notes
- U.S. Food and Drug Administration — Medication Safety
Patients should plan refills ahead of time to avoid running out of essential medications over weekends and holidays.
Reviewed 2026-10-10. Pharmacy lead times vary; call your pharmacist well before you run out.
What this App does not do
This counts days. It does not request refills or replace your pharmacist's guidance.
This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.