NCIt definition : The potassium salt form of aminosalicylic acid, an analog of aminobenzoic acid used
to treat tuberculosis. Although the mechanism of action of potassium aminosalicylate
remains to be elucidated, its effects on mycobacteria may be attributed to inhibition
of folic acid or mycobactin (cell wall component) synthesis. This agent also inhibits
the onset of drug resistance to streptomycin and isoniazid.;