Final answer:
Atropine or its derivatives are anticholinergic agents used as antispasmodics to alleviate symptoms of irritable bowel syndrome by reducing gastrointestinal motility and spasms.
Step-by-step explanation:
The anticholinergic agent used as an antispasmodic to reduce fecal urgency in irritable bowel syndrome (IBS) is likely referencing drugs such as atropine or its derivatives. Atropine acts as an antagonist to muscarinic acetylcholine receptors, thereby reducing gastrointestinal motility and spasms. It helps manage the symptoms of IBS by relaxing the smooth muscles of the gut, which can alleviate cramping and reduce the sense of urgency associated with bowel movements.
These types of drugs can be beneficial for individuals with IBS, but the details of dosage and administration should always be discussed with a healthcare provider.