This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
Choose the most effective drug for mild intestinal amoebiasis and asymptomatic cyst passers 
Select and explain. 
A. Metronidazole, B. Emetine, C. Quiniodochlor, D. Diloxanide furoate
D: Diloxanide furoate
Answer: D: Diloxanide furoate 
Explanation: Ref-KDT 6/e p801 Diloxanide is a medication used to treat amoeba infections. In places where infections are not common, it is a second line treatment after paromomycin when a person has no symptoms. For people who are symptomatic, it is used after treatment with metronidazole or tinidazole. It is taken by mouth.