Who should not take Nalidixic Acid Powder?

The following conditions are contraindicated with this drug. Check with your physician if you have any of the following:


  • diarrhea from an infection with Clostridium difficile bacteria
  • glucose-6-phosphate dehydrogenase (G6PD) deficiency
  • porphyria
  • a painful condition that affects the nerves in the legs and arms called peripheral neuropathy
  • severe hardening of the arteries in the brain
  • liver problems
  • severe renal impairment
  • inflammation of a tendon
  • rupture of a tendon
  • seizures
  • anemia from pyruvate kinase and G6PD deficiencies
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.