As-needed doses do not belong in the grid
If a painkiller sits in the hourly grid alongside the scheduled medicines, someone following the chart literally will give it every four hours whether or not it is needed. On this chart, PRN medicines are printed in a clearly marked strip of their own, headed only if needed, with the dose and any food instruction.
Record what was actually given
A PRN medicine only means something if the giving is written down. Print the tick sheet and note the time each PRN dose is given in the margin beside the day. Over a week this shows the pattern — pain every evening, for example — which is exactly what the prescriber needs to hear at the review.
Write the maximum in 24 hours on the chart
If the prescriber set a ceiling, put it in the dose field so it prints inside the strip: 1 tablet, maximum 4 in 24 hours. That sentence on the wall is what stops a well-meaning second carer from adding a fifth.
Scheduled and PRN on the same sheet
Both appear on one page, visually separated. Nobody has to hold two documents, and the distinction between what must be given and what may be given is obvious at a glance.
How to make one
- Add the scheduled medicines first
- Add as-needed medicines with the PRN button
- Print and note the time of each PRN dose given
Questions
How do I add a PRN medicine?
Enter it as usual and press “Add an only if needed medicine” instead of Add to chart.
Can I set a maximum per day?
Write it into the dose field and it prints with the medicine.
Do PRN medicines appear in the quantity column?
No, because the amount used is not predictable.
A note on safety. PillsChart reproduces the schedule you type. It does not check doses or interactions. Always follow the instructions from your doctor or pharmacist, and check the printed chart against the prescription before anyone relies on it.
More chart guides
Ready to make your chart?
It takes about two minutes and prints on one page. Nothing you type leaves your device.
Set up PRN tracking