Skip to Content
Medical Term:


Pronunciation: i'so-ni'a-zid

Definition: first-line and probably most commonly used antituberculosis drug. Organisms rapidly develop resistance against this drug if it is used alone in the treatment of active disease. Hepatic toxicity is the major side effect.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.