side effect
noun
: a secondary and usually adverse effect (as of a drug)
toxic side effects
called also side reaction
Examples of side effect in a Sentence
Nausea and diarrhea are the side effects of the drug.
the harmful side effects of using chemicals to kill insects
The merger created positive side effects for both companies.
Recent Examples on the Web
Antidepressants in general may cause side effects including an upset gastrointestinal tract, decreased libido, weight gain, headaches, insomnia, tremor or temperature changes, according to Joseph.
—
Hannah Yasharoff, USA Today, 18 Apr. 2025
As the cancer progresses or as a side effect of cancer treatments, other symptoms may occur that have an impact on their quality of life.
—Julie Scott, Msn, Anp-Bc, Aocnp, Verywell Health, 17 Apr. 2025
About 8% of patients who took the highest dose of the pill discontinued treatment due to side effects.
—Annika Kim Constantino, CNBC, 17 Apr. 2025
There were no liver issues recorded, and the side effects, such as diarrhea, nausea, vomiting, and constipation, were similar to those linked to tirzepatide.
—Alice Park, Time, 17 Apr. 2025
See All Example Sentences for side effect
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Hannah Yasharoff, USA Today, 18 Apr. 2025
As the cancer progresses or as a side effect of cancer treatments, other symptoms may occur that have an impact on their quality of life.
—Julie Scott, Msn, Anp-Bc, Aocnp, Verywell Health, 17 Apr. 2025
About 8% of patients who took the highest dose of the pill discontinued treatment due to side effects.
—Annika Kim Constantino, CNBC, 17 Apr. 2025
There were no liver issues recorded, and the side effects, such as diarrhea, nausea, vomiting, and constipation, were similar to those linked to tirzepatide.
—Alice Park, Time, 17 Apr. 2025
See All Example Sentences for side effect
Cite this Entry
“Side effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/side%20effect. Accessed 21 Apr. 2025.
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