A male client with long history of alcohol dependency arrives in the emergency department describing the feelings of bugs crawling on his body. His blood pressure is 170/102, his pulse rate is 110 bpm, and is blood alcohol level is 0mg/dL. Which prescription should the RN administer?
A. Haloperidol (Haldol).
B. Thiamine (Vitamin B1).
C. Diphenhydramine (Benadryl).
D. Lorazepam (Ativan)