immunosuppressant
noun
im·mu·no·sup·pres·sant
ˌi-myə-nō-sə-ˈpre-sᵊnt 
i-ˌmyü-nō-
plural immunosuppressants
: an agent (such as a drug) that suppresses the immune response
The drug was a strong immunosuppressant and was lowering the rats' T-cell counts, making them more vulnerable to infections.—
Chip Brown
Chip Brown… a highly specific immunosuppressant that prevents patients from rejecting transplanted tissue.—Barry Werth
Barry Werth
immunosuppressant
adjective
immunosuppressant drugs
Examples of immunosuppressant in a Sentence
Recent Examples on the Web
Once the womb is out, Grace will be able to stop taking immunosuppressants that prevent her body from rejecting the foreign organ.
—Sam Gillette, People.com, 8 Apr. 2025
Examples of these medications are steroids, immunosuppressants, stimulants like phentermine, and nonsteroidal anti-inflammatory drugs (NSAIDs) like Advil and Motrin (ibuprofen).16
Alcohol: Avoid drinking alcohol while taking these medications.
—Alex Yampolsky, Verywell Health, 3 Mar. 2025
Viruses that cross from one species to another can evolve to become nastier, especially in people with weakened immune systems—like sick people taking immunosuppressants.
—Amber Dance, Smithsonian Magazine, 7 Mar. 2025
My wife is a heart-transplant recipient and is on a lifelong regimen of immunosuppressants.
—Aaron Shattuck, Scientific American, 18 Feb. 2025
See All Example Sentences for immunosuppressant
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Sam Gillette, People.com, 8 Apr. 2025
Examples of these medications are steroids, immunosuppressants, stimulants like phentermine, and nonsteroidal anti-inflammatory drugs (NSAIDs) like Advil and Motrin (ibuprofen).16
Alcohol: Avoid drinking alcohol while taking these medications.
—Alex Yampolsky, Verywell Health, 3 Mar. 2025
Viruses that cross from one species to another can evolve to become nastier, especially in people with weakened immune systems—like sick people taking immunosuppressants.
—Amber Dance, Smithsonian Magazine, 7 Mar. 2025
My wife is a heart-transplant recipient and is on a lifelong regimen of immunosuppressants.
—Aaron Shattuck, Scientific American, 18 Feb. 2025
See All Example Sentences for immunosuppressant
Cite this Entry
“Immunosuppressant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunosuppressant. Accessed 16 Apr. 2025.
Copy CitationMedical Definition
immunosuppressant
1 of 2 noun
im·mu·no·sup·pres·sant
-sə-ˈpres-ᵊnt
: an agent (such as a drug) that suppresses the immune response
The experiments focused on the use of cyclosporine, an immunosuppressant widely used in human kidney, heart-lung, bone marrow, pancreas and liver transplants.—Science News
Science Newsimmunosuppressant
2 of 2 adjective
: immunosuppressive
immunosuppressant effects
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