Isoniazid 100 mg/1 (Isoniazid TABLET) 100 mg/1

Isoniazid 100 mg tablets are a medication used to treat and prevent tuberculosis. This oral antibiotic is often prescribed as part of a combination therapy to combat bacterial infections. Learn more about its uses and effects.

Strength

100 mg/1

Pack Size

100 TABLET in 1 BOTTLE, PLASTIC (10135-804-01)

Manufacturer / TM Owner

Marlex Pharmaceuticals, Inc.

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Pack/s

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Indications & Clinical Uses

Isoniazid is primarily used to treat active tuberculosis infections. It is also used as a preventive measure for individuals who have been exposed to tuberculosis but do not yet show symptoms. This medication works by stopping the growth of bacteria that cause tuberculosis. Isoniazid is often part of a multi-drug regimen to ensure effective treatment.

Side Effects

Common effects of isoniazid may include nausea, vomiting, and abdominal pain. Some individuals may experience dizziness or headache. Severe side effects, though rare, can include liver problems and allergic reactions. It is important to monitor for any unusual symptoms while taking this medication.

Precautions & Warnings

Isoniazid should be taken exactly as prescribed by a healthcare provider. It is important to complete the full course of treatment, even if symptoms improve. Regular liver function tests may be recommended during treatment. Avoid alcohol while taking isoniazid, as it can increase the risk of side effects.

Avoid Interactions

Isoniazid may interact with other medications, including certain pain relievers, seizure medications, and antidepressants. It is important to inform your healthcare provider about all medications you are taking to avoid potential interactions. Always consult a healthcare professional before starting or stopping any medication.

Frequently Asked Questions

Isoniazid is used to treat and prevent tuberculosis infections. It is often part of a combination therapy to combat bacterial infections.

Isoniazid should be taken orally, exactly as prescribed by a healthcare provider. It is important to follow the prescribed dosage and complete the full course of treatment.

Common side effects of isoniazid include nausea, vomiting, abdominal pain, dizziness, and headache. Severe side effects, though rare, can include liver problems and allergic reactions.

Isoniazid may interact with other medications, including certain pain relievers, seizure medications, and antidepressants. Always consult a healthcare professional before combining medications.

It is advisable to avoid alcohol while taking isoniazid, as it can increase the risk of side effects. Always consult a healthcare professional for personalized advice.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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