antidiarrheal
adjective
an·ti·di·ar·rhe·al
ˌan-tē-ˌdī-ə-ˈrē-əl 
ˌan-tī-
variants
or anti-diarrheal
: tending to prevent or relieve diarrhea
antidiarrheal drugs
antidiarrheal
noun
or anti-diarrheal
antidiarrheals available without a prescription
Examples of antidiarrheal in a Sentence
Recent Examples on the Web
However, antidiarrheal medications can be tricky, said Garcia from Baptist Health South Florida.
—
Cindy Krischer Goodman, Sun Sentinel, 4 Mar. 2025
Laxatives are also commonly recommended to improve IBS symptoms related to constipation; and antidiarrheal medicines are frequently suggested when diarrhea is a factor.
—Daryl Austin, USA TODAY, 7 Dec. 2024
Opioid pain medications, anticholinergics, and antidiarrheal medications (when used frequently) can contribute to these symptoms.131
Less Common Causes
In rare cases, stringy stool may be due to a more serious underlying health condition.
—Cristina Mutchler, Health, 8 Oct. 2024
Some people will need other treatments, such as probiotics and/or antidiarrheal medication.
—Karen Berger, Pharmd, Verywell Health, 4 Sep. 2024
Adults can take over-the-counter antidiarrheal medications such as bismuth subsalicylate (brand names Kaopectate and Pepto-Bismol) or loperamide (brand name Imodium) to manage diarrhea symptoms.
—Jocelyn Solis-Moreira, CNN, 5 Feb. 2024
The group chat, which is elegantly named after an over-the-counter antidiarrheal pill and an OTC laxative, was born a few years ago after one of my pals was having trouble pooping during an international work trip.
—Julia Ries, SELF, 11 Jan. 2024
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Cindy Krischer Goodman, Sun Sentinel, 4 Mar. 2025
Laxatives are also commonly recommended to improve IBS symptoms related to constipation; and antidiarrheal medicines are frequently suggested when diarrhea is a factor.
—Daryl Austin, USA TODAY, 7 Dec. 2024
Opioid pain medications, anticholinergics, and antidiarrheal medications (when used frequently) can contribute to these symptoms.131
Less Common Causes
In rare cases, stringy stool may be due to a more serious underlying health condition.
—Cristina Mutchler, Health, 8 Oct. 2024
Some people will need other treatments, such as probiotics and/or antidiarrheal medication.
—Karen Berger, Pharmd, Verywell Health, 4 Sep. 2024
Adults can take over-the-counter antidiarrheal medications such as bismuth subsalicylate (brand names Kaopectate and Pepto-Bismol) or loperamide (brand name Imodium) to manage diarrhea symptoms.
—Jocelyn Solis-Moreira, CNN, 5 Feb. 2024
The group chat, which is elegantly named after an over-the-counter antidiarrheal pill and an OTC laxative, was born a few years ago after one of my pals was having trouble pooping during an international work trip.
—Julia Ries, SELF, 11 Jan. 2024
Cite this Entry
“Antidiarrheal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antidiarrheal. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
antidiarrheal
1 of 2 adjective
an·ti·di·ar·rhe·al
variants
or anti-diarrheal
or chiefly British antidiarrhoeal
or anti-diarrhoeal
: tending to prevent or relieve diarrhea
antidiarrheal remedies
antidiarrheal
2 of 2 noun
variants
or anti-diarrheal
or chiefly British antidiarrhoeal
or anti-diarrhoeal
: an antidiarrheal agent
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