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Related Concept Videos

Cholinergic Antagonists: Therapeutic Uses01:26

Cholinergic Antagonists: Therapeutic Uses

Antimuscarinic drugs have various therapeutic applications by inhibiting parasympathetic stimulation in different systems. Here are the key therapeutic uses of antimuscarinics:    
Respiratory Tract: Ipratropium, aclidinium, and tiotropium treat asthma, chronic bronchitis, and chronic obstructive pulmonary disease (COPD). They protect against bronchoconstriction caused by irritants like cigarette smoke, sulfur dioxide, and ozone. They also help reduce nasopharyngeal secretions in common...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
Direct-Acting Cholinergic Agonists: Therapeutic Uses01:11

Direct-Acting Cholinergic Agonists: Therapeutic Uses

Direct-acting cholinergic agonists have many therapeutic uses in various medical fields. Choline esters, including acetylcholine, have limited clinical utility due to their non-selectivity and short duration of action. Still, acetylcholine and carbachol are applied topically during ophthalmologic surgery to induce miosis. Pilocarpine, a muscarinic and ganglionic stimulator, effectively treats open-angle glaucoma and alleviates xerostomia and dry mouth caused by radiotherapy or Sjögren syndrome.
Cholinergic Antagonists: Pharmacokinetics01:24

Cholinergic Antagonists: Pharmacokinetics

Cholinergic antagonists—such as antimuscarinics—are available in oral, topical, ocular, parenteral, and inhalational formulations. Most antimuscarinics are oral formulations,  while scopolamine is available as a topical patch, and ipratropium and tiotropium are available as inhalation aerosols or powders. Atropine, tropicamide, and cyclopentolate are topically instilled in the eye. Most antimuscarinics are lipid-soluble and readily absorbed from the gastrointestinal tract and the conjunctiva.
Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
Adrenergic Agonists: Therapeutic Classification01:18

Adrenergic Agonists: Therapeutic Classification

Adrenergic agonists can be classified based on their therapeutic uses and mechanisms of action. They serve various purposes in clinical applications.
Vasopressor or pressor agents: They increase blood pressure and function as cardiac stimulants. Examples include endogenous catecholamines (norepinephrine and dopamine) and synthetic agents (phenylephrine).
Bronchodilators: β2-agonists can relax bronchial muscles and widen airways. They are commonly used for treating obstructive pulmonary...

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Related Experiment Video

Updated: May 18, 2026

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology
10:26

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology

Published on: August 18, 2014

Oxybutynin: past, present, and future.

Kelly Jirschele1, Peter K Sand

  • 1Evanston Continence Center, Division of Urogynecology, NorthShore University HealthSystem, University of Chicago, Pritzker School of Medicine, 1000 Central Street, Suite 730, Evanston, IL, USA. kjirschele@northshore.org

International Urogynecology Journal
|September 15, 2012
PubMed
Summary
This summary is machine-generated.

Oxybutynin chloride is a widely used medication for treating overactive bladder (OAB) syndrome, a condition affecting millions. This review focuses on its efficacy and various formulations for managing OAB symptoms.

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Real-Time Void Spot Assay
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Real-Time Void Spot Assay

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Last Updated: May 18, 2026

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology
10:26

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology

Published on: August 18, 2014

Real-Time Void Spot Assay
06:39

Real-Time Void Spot Assay

Published on: February 10, 2023

Area of Science:

  • Urology
  • Pharmacology

Background:

  • Overactive bladder (OAB) syndrome affects over 33 million adults in the USA, impacting quality of life.
  • OAB is characterized by urinary urgency, frequency, and nocturia, often with incontinence.
  • Pharmacological management, particularly antimuscarinic medications, is the primary treatment for OAB.

Purpose of the Study:

  • To provide a comprehensive review of oxybutynin chloride for overactive bladder (OAB) treatment.
  • To discuss the various formulations and long-term use of oxybutynin chloride.

Main Methods:

  • Review of existing literature on oxybutynin chloride and OAB treatment.
  • Focus on pharmacological mechanisms and clinical applications of oxybutynin chloride.

Main Results:

  • Oxybutynin chloride is the most prescribed medication globally for OAB.
  • Antimuscarinic agents like oxybutynin chloride inhibit bladder contractions by blocking muscarinic receptors.
  • Multiple formulations of oxybutynin chloride exist, including oral, transdermal, and topical options.

Conclusions:

  • Oxybutynin chloride has been a cornerstone in OAB management for four decades.
  • Its efficacy and availability in various forms make it a vital therapeutic option.
  • Continued research and formulation development support its role in improving patient outcomes for OAB.