noun
regimen
REJ-uh-mun/ˈredʒɪmən/
A prescribed routine for improving or maintaining health or fitness.
She follows a daily exercise regimen prescribed by her physical therapist.

Etymology
The Latin idea of rule or guidance became the regulation of diet, exercise, and other matters affecting health. A regimen thus directs daily habits toward beneficial effects rather than governing a population.
In context
I was given what I now know is a much too aggressive tapering regimen according to which I divided my medication into four doses
More examples
- His doctor adjusts his medication regimen to reduce side effects.
- A balanced diet is part of her training regimen.
- These skin care regimens include gentle cleansing and daily sunscreen.
Forms
regimen · regimens