anticholinergic

adjective

an·​ti·​cho·​lin·​er·​gic ˌan-tē-ˌkō-lə-ˈnər-jik How to pronounce anticholinergic (audio) ˌan-tī- How to pronounce anticholinergic (audio)
: opposing or blocking the physiologic action of acetylcholine
The more sedating tricyclic antidepressant drugs … are more likely to produce orthostatic hypotension and such adverse anticholinergic effects as urinary hesitancy, constipation, dry mouth, and blurred vision …Patricia N. Prinz et al.
anticholinergic drugs used to treat a broad range of conditions, from overactive bladder to bronchial spasms.Melinda Beck
anticholinergic noun

Examples of anticholinergic in a Sentence

Recent Examples on the Web
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Some people are also prescribed dopamine agonists, enzyme inhibitors, amantadine and anticholinergic drugs, the source stated. Melissa Rudy, Fox News, 24 Sep. 2024 Although the mechanism of how imipramine works is unclear, its anticholinergic side effects are presumed to help cause urine retention. Phuoc Anh (anne) Nguyen, Pharmd, Ms, Verywell Health, 12 Sep. 2024 Certain classes of drugs, including certain antipsychotics, hypnotics, antidepressants, and anticholinergic medications, can trigger sundowning. Mark Gurarie, Verywell Health, 16 Aug. 2024 These include anticholinergic medications, anticonvulsants, bladder medications and sedatives. Carmel Wroth, NPR, 6 June 2024 This topical anticholinergic medicine is available by prescription to treat hyperhidrosis on the underarms in adults and children aged 9 and older.4 Some high-strength OTC and prescription antiperspirants may cause itching and burning if used incorrectly. Cathy Cassata, Health, 28 Jan. 2024 These are often comprised of a combination of a medicine to open airways (a bronchodilator, but commonly a long-acting formulation is used in people with COPD, except those with very mild COPD) along with an inhaled anticholinergic medicine, also called an antimuscarinic. Dr. Keith Roach, oregonlive, 14 Oct. 2022 This drug is a cholinesterase inhibitor which works by preventing the normal breakdown of acetylcholine, Dr. Stolbach explains, which then pushes more acetylcholine into the brain's synapses and counters the anticholinergic effects of diphenhydramine. Sarah Jacoby, SELF, 4 Sep. 2020 These regular users were more likely to be women, have less education, have a chronic illness, and regularly take anticholinergic and opioid drugs. Kyla Russell, CNN, 22 Feb. 2023

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of anticholinergic was in 1942

Dictionary Entries Near anticholinergic

Cite this Entry

“Anticholinergic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anticholinergic. Accessed 23 Dec. 2024.

Medical Definition

anticholinergic

1 of 2 adjective
an·​ti·​cho·​lin·​er·​gic -ˌkō-lə-ˈnər-jik How to pronounce anticholinergic (audio)
: opposing or blocking the physiological action of acetylcholine

anticholinergic

2 of 2 noun
: a drug having an anticholinergic action

More from Merriam-Webster on anticholinergic

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