Phthalylsulfathizole

Japanese: phthalylsulfathizole
Phthalylsulfathizole

...These sulfa drugs have the disadvantages of being poorly soluble in water, losing their antibacterial effect in the liver, and being prone to precipitation and stone formation in the urinary tract. Therefore, sulfisoxazole (abbreviated as SI), which is more soluble in water, and phthalylsulfathizole, a poorly absorbed type that is difficult to absorb and maintains its concentration in the intestine, have been developed for use in intestinal infections.
[Mechanism of antibacterial action]
The spectrum of action of sulfa drugs against pathogens is as follows:

*Some of the terminology explanations that mention "phthalylsulfathizole" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これらのサルファ剤は水に難溶であるうえに,肝臓内で抗菌作用が失われ,尿路で析出して結石をつくりやすい,などの欠陥をもっていた。そこで現在では,より水に溶けやすいスルフィソクサゾールsulfisoxazole(SIと略記),吸収されにくくして腸内で濃度を保つことによって腸内感染症に適用する難吸収型のフサリルスルファチゾールphthalylsulfathizoleなどが開発されている。
[抗菌作用の機序]
 サルファ剤の病原体に対する作用域は次のようである。…

※「phthalylsulfathizole」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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