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regimen

REJH-uh-men /ˈredʒɪmən/

nounC1GRETOEFLIELTSSAT

academicformaltechnical

A prescribed system of medical treatment, diet, exercise, or therapy designed to improve or maintain health.

Refers to a comprehensive structured plan, combining dosage, timing, lifestyle, or dietary guidelines over a specified time period.

The story behind the word. From Latin 'regimen' (rule, guidance, direction), from 'regere' (to rule or guide). Late Middle English imported the word directly to specify a systematic medical order governing diet and health management.

Word relationships

treatment plan: Treatment plan is a general phrase, while regimen implies a structured schedule of dosages or interventions.
protocol: Protocol refers to standard clinical guidelines; regimen refers to the specific schedule implemented for a patient.

Commonly confused with

regime: Regime refers to a form of government or political authority; regimen refers to a structured health or medication schedule.
regiment: A regiment is a large operational unit of military soldiers.

Collocations

treatment regimen
dosing regimen
chemotherapy regimen
strict regimen
prescribed regimen

Example sentences

"The patient successfully completed a multi-agent chemotherapy regimen over six months with complete remission." Oncology
"Adhering strictly to a daily dosing regimen is critical to prevent antiretroviral drug resistance." Preventive Health

Memory hook

RE-GI-MEN: MEN following RULES for their health. Regimen = A structured health schedule.

When not to use

Do not confuse 'regimen' with 'regime' (a political government) or 'regiment' (a military unit).

Fun facts

In medieval European universities, health manuals called 'Regimen Sanitatis' contained poetic advice on nutrition, rest, and herbal tonics.