<prompt> In pneumococcal meningitis empirical treatment given isPencillin GDoxycyclineTetracyclineVancomycin ceftriaxone  <response>: Currently, dual therapy using high dose vancomycin 60 mgkgday and either a third-generation cephalosporin cefotaxime or ceftriaxone or rifampin has been proposed as the optimal empirical treatment for suspected pneumococcal meningitis until antibiotic susceptibilities are known Ref Harrison20th edition pg 2345 