internal medicine

American  

noun

1. the branch of medicine dealing with the diagnosis and nonsurgical treatment of diseases, especially of internal organ systems.

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internal medicine British  

noun

1. the branch of medical science concerned with the diagnosis and nonsurgical treatment of disorders of the internal structures of the body

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internal medicine Scientific  

1. The branch of medicine that deals with the diagnosis and nonsurgical treatment of diseases in adults.

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Etymology

Origin of internal medicine

First recorded in 1900–05

Example Sentences

See Examples For:

internal medicine

In theory, the internal medicine or family medicine doctor oversees your preventive care, ongoing symptoms, chronic conditions, and referrals to specialists.

From Slate ● Aug. 22, 2026

A medical board including an eye specialist and experts in internal medicine and cardiology would be established for Khan's treatment, the order said.

From Barron's ● Aug. 18, 2026

Michele Heisler, a professor of internal medicine at the University of Michigan, gave birth to her first child after going back to medical school at the age of 30.

From BBC ● Aug. 15, 2026

The new study, led by senior author Mandar Deepak Muzumdar, MD, associate professor of genetics and of internal medicine at YSM, sought to answer that question.

From Science Daily ● Jun. 2, 2026

The first thing the next morning, even before I had breakfast, I was visited by an older doctor who was head of internal medicine at the hospital.

From "Long Walk to Freedom" by Nelson Mandela