<prompt> In a patient with Listeria meningitis who is allergic to penicillin, the antimicrobial of choice is ?VancomycinGentamicinTrimethoprim-sulphamethoxazoleCeftriaxone  <response>: Ans. is c i.e., Trimethoprim-sulphamethoxazole TIT of listeria monocytogenes meningitis Penicillin sensitive Ampicillin Gentamicin Penicillin allergic Trimethoprim and Sulphamethoxazole. 