The difference between Medicine and Regimen

Medicine as a noun:

A substance which specifically promotes healing when ingested or consumed in some way.

Medicine as a noun:

A treatment or cure.

Medicine as a noun:

The study of the cause, diagnosis, prognosis and treatment of disease or illness.

Medicine as a noun:

The profession of physicians, surgeons and related specialisms; those who practice medicine.

Medicine as a noun:

Ritual Native American magic used by a medicine man to promote a desired outcome in healing, hunting, warfare etc.

Medicine as a noun:

Among the Native Americans, any object supposed to give control over natural or magical forces, to act as a protective charm, or to cause healing.

Medicine as a noun (obsolete):

black magic, superstition.

Medicine as a noun (obsolete):

A philter or love potion.

Medicine as a noun (obsolete):

A physician.

Medicine as a noun (slang):

recreational drugs, especially alcoholic drinks

Medicine as a verb (rare, obsolete):

To treat with medicine.

Regimen as a noun:

Orderly government; system of order; administration.

Regimen as a noun:

Any regulation or remedy which is intended to produce beneficial effects by gradual operation.

Regimen as a noun (grammar):

object

Regimen as a noun (grammar):

A syntactical relation between words, as when one depends on another and is regulated by it in respect to case or mood; government.

Regimen as a noun (medicine, dated):

Diet; limitations on the food that one eats, for health reasons.