This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Drug of choice for diarrhea in AIDS is? 
Select and explain. 
A. Loperamide, B. Lactulose, C. Octreotide, D. Codeine
C: Octreotide
Answer: C: Octreotide 
Explanation: Octreotide REF: Goodman and Gillman 11th ed p. 635 Octreotide inhibits the release of hormones (triggered by rapid passage of food into the small intestine) that are responsible for distressing local and systemic effects. Octreotide has been used, with varying success, in other forms of secretory diarrhea such as Chemotherapy-induced Diarrhea associated with human immunodeficiency virus (HIV) Diabetes-associated diarrhea. Its greatest utility is in the "dumping syndrome" seen in some patients after gastric surgery and pyloroplasty