Which is the drug to treat NARST (Nalidixic acid resistant S.typhi)?
High-Yield Explanation
Nalidixic acid-resistance S.typhi (NARST): Surrogate marker of decreased susceptibility to ciprofloxacin. Rx : Azithromycin , third-generation cephalosporins. Aztreonam and Imipenem are the potential second line drugs.