10-05-2006, 01:56 PM
An 80-year-old woman comes to the physician because of a 2-week history of mild constipation and occasional inability to completely empty the bladder. She takes over-the-counter medications frequently. Vital signs are normal. Evaluation shows bladder distention and mild confusion. Which of the following drugs is the most likely cause of her symptoms?
A) Cimetidine
B) Diphenhydramine
C) Docusate sodium
D) Guaifenesin
E) Ibuprofen
A) Cimetidine
B) Diphenhydramine
C) Docusate sodium
D) Guaifenesin
E) Ibuprofen