as in sedative
something (as a drug) that relieves pain
after her oral surgery, she was given a prescription for a mild painkiller
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Recent Examples of painkiller
View 1 Images In a breakthrough finding, researchers have discovered that immune cells near the spinal cord are triggered by estrogen and progesterone to produce a natural painkiller called enkephalin.
—
Michael Franco, New Atlas, 4 Apr. 2025
The team doesn't quite understand how the female hormones trigger the release of the painkiller and plan to explore the phenomenon in a future study.
—Michael Franco, New Atlas, 4 Apr. 2025
Summary Drug rashes are a common side effect of drugs, including antibiotics, anticonvulsants, painkillers, and chemotherapy agents.
—Femi Aremu, Verywell Health, 4 Apr. 2025
But after frequently visiting their local vet, who administrated antibiotics and painkillers, Luna's recovery hastened.
—Rachel Raposas, People.com, 7 Apr. 2025
See All Example Sentences for painkiller
Michael Franco, New Atlas, 4 Apr. 2025
The team doesn't quite understand how the female hormones trigger the release of the painkiller and plan to explore the phenomenon in a future study.
—Michael Franco, New Atlas, 4 Apr. 2025
Summary Drug rashes are a common side effect of drugs, including antibiotics, anticonvulsants, painkillers, and chemotherapy agents.
—Femi Aremu, Verywell Health, 4 Apr. 2025
But after frequently visiting their local vet, who administrated antibiotics and painkillers, Luna's recovery hastened.
—Rachel Raposas, People.com, 7 Apr. 2025
See All Example Sentences for painkiller
Recent Examples of Synonyms for painkiller
Noun
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Sedative medications: Due to ashwagandha's sleep-promoting effect, using it with other sedatives (medicines that might cause sleepiness), like Xanax and Valium (benzodiazepines), can cause breathing problems or too much sleepiness.—
Emmanuella Ogbonna,
Health,
10 Apr. 2025
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Anxiety and restlessness can be eased somewhat by Benadryl’s sedative effects.—
Alex Yampolsky,
Verywell Health,
19 Mar. 2025
Noun
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Participants who’d been issued at least two acetaminophen prescriptions within six months – and not in combination with other analgesics like codeine – were defined as exposed to acetaminophen.—
New Atlas,
New Atlas,
15 Dec. 2024
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Importantly, the medication is not an opioid, which means that medical professionals now have an alternative to treating acute pain that doesn’t require using a potentially addictive analgesic.—
New Atlas,
New Atlas,
30 Jan. 2025
Noun
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Sometimes, short-acting tranquilizers can help, but some of these same medicines can also cause sleepwalking.18 When sleepwalking is related to an underlying disorder or medication, treating that condition or switching medications may help.—
Ann Pietrangelo,
Verywell Health,
28 Mar. 2025
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The Who played there in 1973, although during the concert, drummer Keith Moon passed out after reportedly taking horse tranquilizers.—
Daniel Brown,
The Athletic,
14 Feb. 2025
Cite this Entry
“Painkiller.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/painkiller. Accessed 20 Apr. 2025.
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