A patient is administered bethanechol for urinary retention. The patient is most likely to complain of which of the following side effects?
Explanation
• Bethanechol is a muscarinic agonist given to treat urinary retention secondary to general anesthesia, neuropathy of the bladder, or GI
• Side effects are caused by acetylcholine activation and include increased gastric acid secretion, diarrhea, abdominal cramps, nausea, belching, vomiting, increased salivation, and increased tear formation.