Treatment of choice for neurosyphillis | Crack AIIMS, NEET 2017 with NIME MCQs

Which of the following drug not effective in treatment of typhoid? 

A. Amikacin 
B. Co-trimoxazole 
C. Ciprofloxacin 
D. Ceftriaxone

Ans. A. (Amikacin)
Explanation:
Antibiotic Therapy Options for Typhoid Fever
Antibiotic                                             Dosage
First line
Ciprofloxacin                       500 mg PO bid for 10 days
Ceftriaxone                                          1-2gm IV or IM for 10—14 days

Alternative (NARST)
Azithromycin                       1 g PO days for 5 days
Ciprofloxacin                       10 mg/kg PO bid for 10 days