What is the primary action of bethanechol chloride used in urinary tract conditions?

Bethanechol chloride is a medication primarily used to increase bladder contraction. Its action involves stimulating the muscarinic receptors in the bladder, which leads to an increase in the strength and frequency of bladder contractions. This is especially beneficial for individuals with conditions that result in bladder retention, as it helps facilitate the emptying of the bladder.

By enhancing bladder contraction, bethanechol helps patients who have difficulty urinating, such as those with urinary retention due to post-operative conditions or certain neurological disorders. This mechanism can promote more effective voiding and alleviate discomfort associated with a full bladder.

In this context, the other options do not accurately represent the primary action of bethanechol chloride. Increasing urine output is a potential indirect effect of enhancing bladder contraction but is not the primary mechanism. Decreasing bladder spasms is more aligned with the action of anticholinergic medications rather than bethanechol. Reducing kidney inflammation does not pertain to the action of this medication, as it specifically targets bladder muscle activity rather than inflammatory processes in the kidneys.