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: Pharmacology
Which of the following drugs is not used in typhoid fever? 
Select and explain. 
A. Amikacin, B. Ciprofloxacin, C. Cefixime, D. Azithromycin
A: Amikacin
Answer: A: Amikacin 
Explanation: Ans: A. AmikacinRef: Sharma & Sharma's Principles of Pharmacologt, 3d ed., pg. 74t-749 and htrys://www.uplodate.com/contents/treatment-and-prevention-of-enteric-typhoid-und-paratyphoid-feverAmikacin is a commonly used aminoglycoside.Antimicrobial spectrum of aminoglycosides does not include salmonella.It is used in gentamycin and tobramycin resistant infections.It is used for organisms like Pseudomonas, Proteus, and Serratia. It is also effective in MDR-TB.