Who should not take Norfloxacin Tablet?

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


  • Clostridium difficile infection
  • glucose-6-phosphate dehydrogenase (G6PD) deficiency
  • low amount of potassium in the blood
  • acquired decrease of all cells in the blood
  • anemia
  • decreased blood platelets
  • deficiency of granulocytes a type of white blood cell
  • decreased white blood cells
  • psychotic disorder
  • lower seizure threshold
  • pseudotumor cerebri
  • peripheral neuropathy
  • myasthenia gravis
  • disease of inadequate blood flow to the heart muscle
  • very rapid heartbeat - torsades de pointes
  • prolonged QT interval on EKG
  • abnormal EKG with QT changes from birth
  • severe hardening of the arteries in the brain
  • severe renal impairment
  • inflammation of the tendon
  • rupture of a tendon
  • hallucination
  • seizures
  • shaking extremities
  • abnormal liver function tests
  • high pressure within the skull
  • Anemia from Pyruvate Kinase and G6PD Deficiencies
  • Lung Transplant
  • Heart Transplant


  • Quinolones

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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.