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Related to para-aminosalicylic acid: Sodium aminosalicylate
p-aminosalicylic acid(PAS) (PASA) [ah-me″no-sal-ĭ-sil´ik]
an analogue of p-aminobenzoic acid that inhibits folic acid synthesis in Mycobacterium tuberculosis, used in the treatment of tuberculosis, administered orally. In pharmacy it is officially called aminosalicylic acid. It enhances the potency of streptomycin and delays the development of bacilli resistant to streptomycin. Gastrointestinal irritation accompanied by anorexia, nausea, and vomiting may be reduced by administering the drug with food at mealtime.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
para-aminosalicylic acid(păr′ə-ə-mē′nō-săl′ĭ-sĭl′ĭk, ăm′ə-nō-)
n. Abbr. PAS
A bacteriostatic agent, C7H7NO3, prescribed for the treatment of tuberculosis. Also called aminosalicylic acid.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
para-aminosalicylic acid (PAS)A drug formerly widely used to treat pulmonary TUBERCULOSIS but now superceded by more effective antibiotics. The drug is on the WHO official list.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005