Who should not take I.N.H. Tablet?

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


  • acute liver failure
  • severe nausea and vomiting that has lasted a long time
  • diabetic complication causing injury to some body nerves
  • caloric undernutrition
  • a painful condition that affects the nerves in the legs and arms called peripheral neuropathy
  • recurring liver problems
  • liver problems
  • severe liver disease
  • severe renal impairment
  • anemia from pyruvate kinase and G6PD deficiencies
  • slow acetylator
  • alcohol use disorder
  • a type of joint disorder due to excess uric acid in the blood called gout
  • seizures
  • a low seizure threshold
  • psychotic disorder
  • high blood sugar


  • Ethionamide
  • Inh
  • Pyrazinamide
  • Isoniazid
  • Niacin
  • Ethionamide
  • Pyrazinamide

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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.