---
title: Optochin
description: "Optochin, ethylhydrocupreine hydrochloride, is a chemical that is toxic to ***[Streptococcus pneumoniae.](https://vumicro.com/help/content/streptococcus_pneumoniae.htm)*** Other alpha-hemolytic Streptococci are rarely sensitive to the chemical. Optochin is therefore useful in the identification of *Streptococcus pneumoniae* in the clinical laboratory. --- ## VUMIE is the…"
url: "https://vumicro.com/docs/optochin/"
updated: "2022-03-24"
category: Reference Library / Antibiotics
---

# Optochin

Optochin, ethylhydrocupreine hydrochloride, is a chemical that is toxic to ***[Streptococcus pneumoniae.](https://vumicro.com/help/content/streptococcus_pneumoniae.htm)*** Other alpha-hemolytic Streptococci are rarely sensitive to the chemical. Optochin is therefore useful in the identification of *Streptococcus pneumoniae* in the clinical laboratory.

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