A patient has been taking orlistat (Xenical) for several months as part of a weight loss program which also includes a low-fat diet. Which of these data obtained by the nurse indicate that a change in therapy may be needed?
a. The patient complains of abdominal bloating after meals.
b. The patient has lost 31 lb (14 kg) of the original 65 lb (30 kg) goal.
c. The patient frequently has liquid stools.
d. The patient is pale and has many bruises.