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Para aminosalicylic acid



Para-aminosalicylic acid is used in combination with other medicines to treat multi-drug resistant tuberculosis (MDR-TB; hen other medications for tuberculosis are not effective due to resistance or intolerance).

How it works

Para-aminosalicylic acid belongs to the class of medications called as antituberculosis agents. It stops multiplication of the tuberculosis causing bacteria (Mycobacterium tuberculosis) by interfering with the synthesis of a substance (folic acid) essential for reproduction thereby preventing the infection. 

Common side effects

Hormone imbalance, Allergic reaction, Slow growth in children and teenagers, Diarrhoea, Abdominal pain, Dizziness, Vomiting, Constipation


Expert advice

  • Tell your doctor if you have liver problems, kidney problems, ulcers of the stomach or intestine, problems related to poor absorption of nutrients or any viral infection (e.g. Flu, chickenpox).
  • Seek immediate medical attention if you experience skin rash, fever, persistent nausea or vomiting, or abdominal pain within 3 months of para-aminosalicylic acid treatment.
  • Do not take if allergic to para-aminosalicylic acid or any of its ingredients.
  • Do not give to Children if suffering with a viral infection (such as flu or chickenpox).
  • Do not take if suffering with severe kidney disease.

Content on this page was last updated on 30 September, 2016, by Dr. Varun Gupta (MD Pharmacology)