A Diabetic Patient Who Has Reported Burning Foot Pain at Night

A diabetic patient who has reported burning foot pain at night receives a new prescription.Which information should the nurse teach the patient about amitriptyline (Elavil) ?

A) Amitriptyline decreases the depression caused by your foot pain.
B) Amitriptyline helps prevent transmission of pain impulses to the brain.
C) Amitriptyline corrects some of the blood vessel changes that cause pain.
D) Amitriptyline improves sleep and makes you less aware of nighttime pain.