Wednesday, April 29, 2020

Clinical vignette: Meningitis due to Listeria monocytogenes


Listeria monocytogenes is the 3rd most common organism that causes bacterial meningitis.
Cephalosporins do not cover this gram - positive bacteria under its spectrum. More aptly saying, the cephs do not kill this bacteria. So, especially in high-risk patients such as neonates, elderly, and the immunocompromised, cephalosporins are given in combination with ampicillin, and never alone.

Ceftriaxone is avoided for use in neonates due to its decreased biliary metabolism and sludging.
The choice of ceph in neonates and other high-risk groups in the case of meningitis is cefotaxime.

That's all
- Jaskunwar Singh

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