5M PRODUCT
Isoniazid tablets
Anti-Tuberculosis PHARMACEUTICAL PRODUCT

Isoniazid tablets

Strength 75MG / 150MG
Published by 5M Biotech India
Last updated 24 October 2026
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PRODUCT INFORMATION

About Isoniazid tablets

Product information published by 5M Biotech India.

Active Ingredient Isoniazid
Brand
Country of origin India
Form Softgel Capsule

Isoniazid Tablet is an antibiotic used for treating and preventing tuberculosis (TB), a serious infection caused by bacteria affecting the lungs and possibly in other body parts. Its active ingredient is isoniazid that kills the bacteria causing TB.

Clinical Uses

Isoniazid Tablet is used to treat and prevent tuberculosis. It can be used alone or in combination with other medicines to treat TB. A rifampicin product listed for combination anti-TB therapy is R-Cin Rifampicin Capsules.

Dosage Options

Isoniazid Tablet is available in the following strengths: 75 mg, 150 mg, and 300 mg. The dosage strength is decided by your doctor depending on the severity of the condition.

How It Works

Isoniazid Tablet inhibits the growth of the bacteria causing tuberculosis. It interferes with the formation of the bacterial cell wall, which helps the bacteria to survive. This weakens the bacteria and prevents it from growing and spreading. As a result, it controls and treats tuberculosis.

Side Effects

Common side effects of Isoniazid Tablet include:

  • Skin rash
  • Hepatitis
  • Tingling, numbness, and burning of hands and feet
  • Nausea
  • Vomiting
  • Upset stomach

Precautions & Warnings

  • Isoniazid Tablet should be used with caution under medical supervision in kidney or liver disease.
  • Do not take this medicine if you are allergic to Isoniazid.
  • Alcohol is not safe while taking this medicine as it can lead to flushing, increased heart rate, low blood pressure, nausea, and headache.
  • Pregnant and breastfeeding women should consult a doctor before using.
  • Isoniazid Tablet can affect the ability to drive.
  • Avoid using this medicine if you have nerve problems or diabetes.

Drug Interactions

Isoniazid Tablet can interact with other medicines. Inform your doctor about any other medicines you are taking. Here are some medicines that can interact with Isoniazid Tablet:

  • Seizure medicines: Phenytoin, Mephenytoin
  • Antifungals: Ketoconazole
  • Blood thinners: Warfarin
  • Pain relievers: Acetaminophen
  • Benzodiazepines: Diazepam or Alprazolam
  • Vitamin B6
  • Antacids

Disclaimer

At 5M Biotech India we provide accurate, reliable and expert reviewed information. However, all our content on this platform is intended for informational purposes only and is not professional medical advice, diagnosis or treatment. While we make efforts to maintain accuracy, the information may contain mistakes, omissions or may not reflect the latest developments. Always consult your doctor regarding any medical concerns.

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Publisher 5M Biotech India
Last Updated 24 October 2026
Product Record #718
Therapeutic Area Anti-Tuberculosis
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