isoniazid

[ ahy-suh-nahy-uh-zid ]

noun

, Pharmacology.

1. a white, crystalline, water-soluble solid, C 6 H 7 N 3 O, used in the treatment of tuberculosis.

isoniazid

/ ˌaɪsəʊˈnaɪəzɪd /

noun

1. a soluble colourless crystalline compound used to treat tuberculosis. Formula: C 6 H 7 N 3 O

Word History and Origins

Origin of isoniazid¹

First recorded in 1950–55; short for isonicotinic acid hydrazide

Word History and Origins

Origin of isoniazid¹

C20 isoni ( cotinic acid hydr ) azid ( e )

Example Sentences

But most importantly, when an effective treatment became available, it was disseminated worldwide, and part of that happened because isoniazid was unpatentable, so costs for producing it and treating people with it remained low.

From Scientific American

Apolisi, together with a physician colleague, ensures that children in close contact with her TB patients take the daily preventive medication isoniazid for at least six months, as recommended by the WHO.

From Scientific American

Standard TB preventive treatment requires taking isoniazid every day for 6 months to 3 years.

From Science Magazine

For decades, the standard course has been an antibiotic called isoniazid that kills the bacteria causing TB only when they are replicating.

From New York Times

The standard treatment for latent TB at the moment is a lengthy course of isoniazid – for nine months in north America.

From The Guardian