<prompt> Answer this question truthfullyWhat is the medical treatment for Listeriosis?  <response>: <reason> Click on the following categories to expand treatment regimens.L. monocytogenes Infections Bacteremia Brain Abscess Endocarditis Gastroenteritis Meningitis Rhombencephalitis Listeria monocytogenes, Bacteremia Preferred Regimen Ampicillin 2 g IV q4h OR Penicillin G 4 MU IV q4h PLUS Gentamicin 2 mgkg IV load, then 1.7 mgkg IV q8h Alternative Regimen TMPSMZ 1020 mgkgday IV q612h TMP component OR Meropenem 2 g IV q8h Minimum duration of therapy: 2 weeks Listeria monocytogenes, Brain Abscess Preferred Regimen Ampicillin 2 g IV q4h OR Penicillin G 4 MU IV q4h PLUS Gentamicin 2 mgkg IV load, then 1.7 mgkg IV q8h Alternative Regimen TMPSMZ 1020 mgkgday IV q612h TMP component OR Meropenem 2 g IV q8h Minimum duration of therapy: 6 weeks Listeria monocytogenes, Endocarditis Preferred Regimen Ampicillin 2 g IV q4h OR Penicillin G 4 MU IV q4h PLUS Gentamicin 2 mgkg IV load, then 1.7 mgkg IV q8h Alternative Regimen TMPSMZ 1020 mgkgday IV q612h TMP component OR Meropenem 2 g IV q8h Minimum duration of therapy: 46 weeks Listeria monocytogenes, Gastroenteritis Preferred Regimen Antimicrobial therapy is not warranted in most cases. Alternative Regimen For Outbreaks and Invasive Diseases Ampicillin 500 mg PO q6h x 5 days OR TMPSMZ 160800 mg PO q12h x 5 days Listeria monocytogenes, Meningitis Preferred Regimen Ampicillin 2 g IV q4h OR Penicillin G 4 MU IV q4h PLUS Gentamicin 2 mgkg IV load, then 1.7 mgkg IV q8h Alternative Regimen TMPSMZ 1020 mgkgday IV q612h TMP component OR Meropenem 2 g IV q8h Minimum duration of therapy: 3 weeks Listeria monocytogenes, Rhombencephalitis Preferred Regimen Ampicillin 2 g IV q4h OR Penicillin G 4 MU IV q4h PLUS Gentamicin 2 mgkg IV load, then 1.7 mgkg IV q8h Alternative Regimen TMPSMZ 1020 mgkgday IV q612h TMP component OR Meropenem 2 g IV q8h Minimum duration of therapy: 6 weeks 