Currently taking a large batch of antibiotics and other meds because you know, tooth infection.
Take this one every four hours.
Take this one every eight hours.
Take this one every 12 hours.
Take this one every 24 hours.
Pill bottles should come with a little digital clock built-in to the lid that immediately resets to 00:00 and starts counting the moment you close the pill bottle. That way I’d know how long it has been since I last took that pill.
A little watch battery should be able to power the lids for months at a time.