Health · official-source review · reviewed 2026-10-09
Refill gaps happen on day 27 of a 30-day supply, when the pharmacy and the prescriber both have queues.
Count days of supply left and set the refill request date with a weekend buffer.
Anyone managing a maintenance prescription with a fixed days-of-supply.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
Read the days-of-supply and refill number on the label.
Count the days left from today, honest about extra doses.
Request the refill several days before the supply ends.
Confirm the pickup window with the pharmacy's own instructions.
A 30-day supply with 9 days left. A request set 7 days ahead lands 2 days before the buffer.
Use your own source and details. The example is not a record about a real person or organization.
U.S. National Library of Medicine, MedlinePlus · reviewed 2026-10-09
What this source supports: MedlinePlus publishes consumer drug information pages maintained by the National Library of Medicine.
Source limit: Your prescription label and pharmacist instructions govern your own dosing schedule.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
This guide counts days you enter. It does not contact pharmacies, change doses, or give medical advice.
Your prescription label and pharmacist instructions govern your own dosing schedule.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Count days of supply left and set a refill request date with a buffer before the bottle empties.
This App counts days you enter. It does not advise on dosing, contact a pharmacy, or check interactions.
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
The App computes the worked example with your own numbers, in your browser.
APP 1
Count days of supply left and set a refill request date with a buffer before the bottle empties.
Free · no account · no upload
Open Prescription Refill TimelineThe App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
Companion App: Prescription Refill Timeline. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.