ivermectin
noun
iver·mec·tin
ˌī-vər-ˈmek-tən 
: a drug mixture of two structurally similar semisynthetic lactones that is used in veterinary medicine as an anthelmintic, acaricide, and insecticide and in human medicine to treat onchocerciasis
Examples of ivermectin in a Sentence
Recent Examples on the Web
The National Cancer Institute, the federal research agency charged with leading the war against the nation’s second-largest killer, is studying ivermectin as a potential cancer treatment, according to its top official.
—
Rachana Pradhan, STAT, 10 Feb. 2026
Tucked into what has been called Florida’s Medical Freedom bill is a provision that would allow pharmacists in the state to dispense ivermectin to adults without a prescription.
—Cindy Krischer Goodman, Miami Herald, 6 Feb. 2026
Researchers at Cedars-Sinai Medical Center in Los Angeles have begun a preliminary study combining ivermectin with an immunotherapy drug for patients with metastatic triple-negative breast cancer.
—Cindy Krischer Goodman, Sun Sentinel, 6 Feb. 2026
Ivermectin access House Bill 25 lets Texans access ivermectin without a prescription.
—Eleanor Dearman, Fort Worth Star-Telegram, 2 Dec. 2025
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Rachana Pradhan, STAT, 10 Feb. 2026
Tucked into what has been called Florida’s Medical Freedom bill is a provision that would allow pharmacists in the state to dispense ivermectin to adults without a prescription.
—Cindy Krischer Goodman, Miami Herald, 6 Feb. 2026
Researchers at Cedars-Sinai Medical Center in Los Angeles have begun a preliminary study combining ivermectin with an immunotherapy drug for patients with metastatic triple-negative breast cancer.
—Cindy Krischer Goodman, Sun Sentinel, 6 Feb. 2026
Ivermectin access House Bill 25 lets Texans access ivermectin without a prescription.
—Eleanor Dearman, Fort Worth Star-Telegram, 2 Dec. 2025
See All Example Sentences for ivermectin
Cite this Entry
“Ivermectin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ivermectin. Accessed 16 Feb. 2026.
Copy CitationMedical Definition
ivermectin
noun
iver·mec·tin
ˌī-vər-ˈmek-tən
: a drug mixture of two structurally similar semisynthetic macrocyclic lactones that is a derivative of avermectin used in veterinary medicine as an anthelmintic, acaricide, and insecticide and in human medicine to treat onchocerciasis
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