Urinary retention, or ischuria, is the inability to urinate. Urinary retention can be caused by a number of things, most commonly enlarged prostate in men. Symptoms include the inability to empty the bladder, poor stream flow, difficulty beginning to urinate, and frequent urge to urinate.
Treatment for urinary retention depends on the cause. Medications can be given to treat urinary retention. A common drug class prescribed is the muscarinic agonists drug class.