"Every other day" and "Monday, Wednesday and Friday" are not the same schedule. Every other day means every 48 hours, so the weekday moves each week. Mon/Wed/Fri means three fixed weekdays with a two-day gap over the weekend. Set up the wrong one and your reminders drift away from your instructions within a week.

Non-daily schedules are where reminders matter most, because there is no daily habit to carry you. You cannot rely on "I always take it with breakfast" when breakfast is not every dose day. This guide explains the common non-daily patterns and how to set each one up.

Your prescriber and the label decide which schedule you are on. If the wording is unclear, ask your pharmacist before setting anything up.

Every other day

Every other day means one dose, then a day off, then a dose, and so on. Over two weeks it looks like this:

  • Week one: Monday, Wednesday, Friday, Sunday
  • Week two: Tuesday, Thursday, Saturday

Notice that the weekdays change. That is why "every other day" cannot be set up as fixed weekdays. It needs an "every 2 days" schedule that counts forward from a start date.

The start date matters

An every-other-day reminder needs to know which day was dose day. If you took your last dose yesterday, the start date is yesterday, not today. Set it wrong and every reminder lands on your off days.

Odd and even dates do not work

Some people try "odd dates of the month". It breaks at the end of any month with 31 days: the 31st and the 1st are both odd, so you get two doses in a row. That happens seven times a year, plus in February of a leap year. Counting days from a start date avoids this.

Monday, Wednesday and Friday

Three fixed weekdays is a different pattern: a dose on each of those days, a one-day gap during the week and a two-day gap over the weekend. It is easier to remember because the days never change, and it is common for things that are taken a few times a week.

Set it up as "specific days" and choose the three weekdays. There is no start date to worry about.

Which one does your label mean?

Labels and prescribers use different wording. Some examples:

  • "Every other day" or "alternate days" usually means every 48 hours.
  • "Three times a week" may mean Mon/Wed/Fri, or any three days. Ask which.
  • "Twice a week" may mean specific days, such as Monday and Thursday, or simply two doses spaced across the week.
  • "Once a week" means the same weekday each week.

If the label does not name the days, ask your pharmacist which days they suggest, and write them on the box.

Other non-daily patterns

  • Every 3 days or more. The same as every other day, with a longer gap. Use an "every N days" schedule with a start date.
  • Weekly. One specific weekday.
  • Monthly. One date each month. If the date is the 29th, 30th or 31st, check what happens in shorter months.
  • On and off cycles. Such as 21 days on and 7 off. See our 21/7 pill reminder guide.
  • Different amounts on different days. Some schedules alternate between two doses. That is usually best set up as two separate entries, each on its own days, so each reminder says exactly what to take.

Making non-daily doses stick

  • Use a reminder every dose day. Do not rely on remembering which day it is.
  • Turn on follow-ups. Missing a non-daily dose means a longer gap, so a second nudge is worth more.
  • Choose a time you are reliably at home. A weekday morning routine may not exist on Saturday.
  • Mark dose days on a paper calendar too, if you like seeing the pattern.
  • Log every dose. On a non-daily schedule, "did I take it yesterday or the day before?" is a harder question, and the log answers it.

What about a missed dose?

On a non-daily schedule, whether to take a missed dose late or wait for the next one depends on the medication. The leaflet may say. If it does not, ask your pharmacist. Do not shift your whole schedule without checking.

How Cadence handles non-daily schedules

Cadence has Every Day, Specific Days, Every N Days, Monthly and Cycle (on/off) schedules, plus interval dosing every few hours and as-needed. For every other day, choose Every N Days, set it to 2 and pick the day of your last or next dose as the start. For Mon/Wed/Fri, choose Specific Days and tap the three days. Reminders fire only on dose days, with follow-ups if a dose is not logged. Days without a scheduled dose are not counted as missed, so your rhythm reflects your real schedule.

Frequently asked questions

Is every other day the same as three times a week?

No. Every other day is three or four doses a week depending on the week. Three times a week is always three.

What if I miss a dose on an every-other-day schedule?

Check the leaflet and ask your pharmacist. Do not double up or shift the schedule without advice.

Can I set different times on different days?

In most apps you can set specific days with their own times by adding a second entry. Keep each entry clear about what it is for.

Cadence is a free medication reminder app for iPhone and Apple Watch. It is not medical software and does not give medical advice. Cadence Pro is a one-time purchase, with no subscription.