Time for your meds, Mr. Fleishman

I have a mostly “love/not-hate” relationship with the Medications feature in the iPhone Health app. Having accrued and had treated a variety of conditions over the years, I found Medications a welcome addition in 2022. You can add drugs you take, the frequency (or as needed), and set them to a schedule. Then you receive a notification at the time you set, plus a reminder.

While I’m generally good at “medication adherence,” I’m not perfect. For many drugs, clinical research is based on regular administration and staying on a schedule. In some cases, you can injure yourself or reduce the effectiveness of a medication if you take it erratically, sometimes even missing a few doses, as with antibiotics or antivirals.

Medications is an oddball feature, though, as it’s kind of shoehorned into Health, and doesn’t use the normal Notifications system for alerts. I am sure that is in part because of the unique elements of ensuring reminders occur and recur. But also, it’s because your medication schedule is akin to time-of-day reminders: they should always occur at the requested time.

When you travel across time zones, that’s where confusion can emerge. While on a flight, you may have seen a notification that says “Time Zone Changed,” which suggests you need to check your medication schedule. You may see this for each time zone you pass through. Tap it, and you’re taken to the Medications view, where you can tap to rewrite the time zone to the local one—that is, 8 am PDT becomes 8 am MDT, GMT, etc.

This alert should appear on your iPhone (left) and Apple Watch to let you know you need to adjust your schedule. Tapping takes you to Medications.

But I had the opposite problem: traveling west to east the other week, I experienced the failure of negative knowledge—I wasn’t alerted about the time zone change and wound up missing a dose of meds.1 I haven’t had this happen since I started using Medications and traveling, so I don’t know what failed.

Here’s the sequence of what happened (or didn’t):

I flew across three time zones, from Pacific to Eastern. I was not alerted by Medications about the time zone change.

I arrived in Boston, and with Settings > General > Date & Time’s Set Automatically option enabled, my iPhone and Apple Watch updated to EDT.

The next morning, I forgot for the first time in seemingly years to take my morning meds.

Later that morning, at 11 am EDT (8 am PDT), I must have received an alert that I missed. Medications alerts aren’t persistent in quite the same way as other notifications.

It was only late that night that I realized what had happened. Looking in Health > Medications and swiping way down to Options, I checked that Time Zone Change was enabled. It was. However, my whole schedule was three hours off. There’s no manual “reset to current time zone” button.

The workaround is to go to Settings > General > Date & Time, disable Set Automatically, switch to the old time zone, then to the new one, and then re-enable Set Automatically. At that point, I received the alert from Medications and was able to visit the app to approve changing the absolute time (8 am PDT/11 am EDT) to the relative time (8 am EDT).

Clearly, Medications has room to grow in its time zone support. Because of our body clocks, we may want to keep our medications on the absolute time: if you travel 12 time zones, you probably want to be sure you take your doses of daily meds about 24 hours apart. But there’s no good way to adjust Medications while traveling unless the alert is triggered. Calendar added an option for Floating events years ago, where they were fixed to a time of day rather than a time zone. Some kind of opposite-to-floating option or time slider needs to be added to make Medications more travel friendly.

[Got a question for the column? You can email glenn@sixcolors.com or use /glenn in our subscriber-only Discord community.]

I define “negative knowledge” as information provided to you about something that doesn’t happen. Most alerts tell you something did or should happen; I often find knowing that something that should have happened, didn’t, is as or more important. Cf., Sherlock Holmes’s famous “curious incident of the dog in the night-time.” ↩