A 75-year-old client diagnosed with a long history of depression is currently on doxepin (Sinequan) 100 mg daily. The client takes a daily diuretic for hypertension and is recovering from the flu. Which nursing diagnosis should the nurse assign highest priority?
A. Risk for ineffective thermoregulation R/T anhidrosis
B. Risk for constipation R/T excessive fluid loss
C. Risk for injury R/T orthostatic hypotension
D. Risk for infection R/T suppressed white blood cell count
