Keeping track
Occasionally it’s not your children that cause the problems with their prescribed medicine, it’s you. Sleep-deprivation (from said sick child) is not conducive to remembering medicine schedules, or whether one of you has already given them today’s does.
To save messing up important things like anti-biotics, take a sharpie and draw a chart on the side of the bottle, or packet. That way no-one gets a double dose, and you don’t have to be that awake to stay on schedule.