internal medicine

noun

: a branch of medicine that deals with the diagnosis and treatment of diseases not requiring surgery

Examples of internal medicine in a Sentence

a doctor who specializes in internal medicine
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Look for high-quality ashwagandha supplements that have been third-party tested by organizations like the National Sanitation Foundation (NSF), said John Rinker, MD, an internal medicine physician with OSF Healthcare. Allison Forsyth, Health, 19 Feb. 2026 With both of them working in the medical field — Sheena as a physician’s assistant in the psychiatry field and Sunit as an internal medicine doctor — the Shahs have also included positive mental health content in some of the skits. Elizabeth Marie Himchak, San Diego Union-Tribune, 18 Feb. 2026 Sharp arrived at Stanford University School of Medicine as a resident in internal medicine in the late 1990s. Deni Ellis Béchard, Scientific American, 17 Feb. 2026 His license to practice internal medicine in Ohio was permanently revoked in March 2025. Kevin Grasha, Cincinnati Enquirer, 2 Feb. 2026 See All Example Sentences for internal medicine

Word History

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of internal medicine was in 1835

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Cite this Entry

“Internal medicine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal%20medicine. Accessed 21 Feb. 2026.

Kids Definition

internal medicine

noun
: a branch of medicine that deals with diseases not requiring surgery

Medical Definition

internal medicine

noun
: a branch of medicine that deals with the diagnosis and treatment of nonsurgical diseases
abbreviation IM

More from Merriam-Webster on internal medicine

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