Overview
Indications
Isoniazid tablets, USP are recommended for all forms of tuberculosis in which organisms are susceptible. However, active tuberculosis must be treated with multiple concomitant anti-tuberculosis medications to prevent the emergence of drug resistance. Single-drug treatment of active tuberculosis with isoniazid or any other medication, is inadequate therapy. Isoniazid tablets, USP are recommended as preventive therapy for the following groups, regardless of age. (Note: the criterion for a positive
Boxed Warning
FDA Black Box Warning
Severe and sometimes fatal hepatitis associated with isoniazid therapy has been reported and may occur or may develop even after many months of treatment. The risk of developing hepatitis is age related. Approximate case rates by age are: less than 1 per 1,000 for persons under 20 years of age, 3 pe
Contraindications
When this intervention should not be used
Isoniazid is contraindicated in patients who develop severe hypersensitivity reactions, including drug-induced hepatitis; previous isoniazid-associated hepatic injury; severe adverse reactions to isoniazid such as drug fever, chills, arthritis; and acute liver disease of any etiology.
Indications & Related Conditions
Conditions associated via SNOMED clinical relationships
Administration & Protocol
Dosing, route, and treatment protocol
Detailed dosage and administration information is available in the full FDA drug label.
View full prescribing information on DailyMedMonitoring & Follow-Up
Biomarkers relevant to this intervention via related conditions
No monitoring biomarkers have been mapped yet. Biomarker-intervention linkages are derived through related conditions and will expand as the knowledge graph grows.
Clinical Trials
2 trials linked to this intervention
Recent Trials
Genetic Disorders of Mucociliary Clearance in Nontuberculous Mycobacterial Lung Disease
Comparing Expectorated and Induced Sputum and Pharyngeal Swabs for Cultures, AFB Smears, and Cytokines in Pulmonary Nontuberculous Mycobacterial Infection
Research Evidence
Published studies and systematic reviews
Research data from MEDLINE/PubMed
Benefits & Expected Outcomes
Benefits, expected outcomes, efficacy data, and NNT (Number Needed to Treat) are pending physician authorship and evidence review.
Risks & Side Effects
Adverse reaction and safety data for this drug is sourced from the FDA-approved label.
View adverse reactions & drug interactions on DailyMedRelated Symptoms
Symptoms associated with conditions this intervention addresses
No related symptoms have been mapped yet. Symptom linkages are derived through associated conditions.
Alternatives & Comparisons
Alternative treatments, comparison data, and clinical decision support are pending physician authorship.
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Do not start, stop, or change any treatment without consulting your healthcare provider.
Quick Facts
- Type
- Substance / Medication
- Fully Specified Name
- Isoniazid (substance)
- SNOMED CT
- 387472004
- UMLS CUI
- C0022209
- RxNorm CUI
- 6038
- Labeler
- Bryant Ranch Prepack
Clinical Data
This intervention maps to 3 entities in the Healos knowledge graph.
Data is sourced from SNOMED CT, UMLS, and the Healos clinical knowledge graph. Content sections marked as pending require physician authorship. Consult a healthcare provider before starting any treatment.