Isoniazid 300 MG Oral Tablet — RxCUI 197832
RxNorm drug concept · Semantic clinical drug
RxCUI 197832
Semantic clinical drug · SCD
● Current RxNorm concept 22 FDA products
38 package NDCs
Snapshot Jul 14, 2026
What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.
🗂️ Key Facts
RxCUI197832
Official nameIsoniazid 300 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asINH 300 MG Oral Tablet
FDA products mapped22
Package NDCs mapped38
Reported Medicaid activity (SDUD)29,386 prescriptions · 38 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026
📖 Skip the Codes — Read It in Plain English.
Our pharmacist-built guide to Isoniazid: what it is, how it’s used, side effects, and interactions.
📗 Our plain-language guide HelloPharmacist
- TB bacteria are clever — they can develop resistance to a single drug very quickly, which would make your infection much harder to treat. Using isoniazid together with other anti-T...
- Why do I have to take isoniazid with other TB medications? Can't I just take this one?
- Liver damage is the most serious risk with isoniazid, and it's important to take it seriously — but your doctor will be monitoring you for this. You'll have monthly check-ins, and...
- I heard isoniazid can hurt my liver. How worried should I be?
🕸️ Concept Web — How Isoniazid 300 MG Oral Tablet Connects
One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept
Isoniazid 300 MG Oral Tablet
RxCUI 197832 Semantic clinical drug · SCD
Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.
-
Ingredients 1
The active substance itself — no strength, form, or brand attached yet.
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Isoniazid
6038IN
-
Isoniazid
-
Dose forms 6
The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
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Isoniazid Oral Tablet
370716SCDF -
Isoniazid Oral Product
1161935SCDG -
Isoniazid Pill
1161936SCDG -
Oral Tablet
317541DF -
Oral Product
1151131DFG -
Pill
1151133DFG
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Isoniazid Oral Tablet
-
Clinical & branded drugs 1
Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
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Isoniazid 300 MG
317391SCDC
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Isoniazid 300 MG
Showing up to 8 concepts per family — 8 of 8 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.
🔀 Generic ⇄ Brand Crosswalk
The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.
Generic (Clinical) Concepts
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Isoniazid 300 MG
SCDC · 317391 -
Isoniazid Oral Tablet
SCDF · 370716 -
Isoniazid Oral Product
SCDG · 1161935 -
Isoniazid Pill
SCDG · 1161936
📦 FDA Products & Package NDCs
22 products · 38 package NDCs
38 package NDCs map to RxCUI 197832 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
| Package NDC | Package | Brand / generic name | Labeler | Marketing start |
|---|---|---|---|---|
| 00555-0066-02 | 100 TABLET in 1 BOTTLE (0555-0066-02) | Isoniazid | Teva Pharmaceuticals USA, Inc. | 1972-09-01 |
| 00555-0071-01 | 30 TABLET in 1 BOTTLE, UNIT-DOSE (0555-0071-01) | Isoniazid | Teva Pharmaceuticals USA, Inc. | 1972-09-01 |
| 00555-0071-02 | 100 TABLET in 1 BOTTLE (0555-0071-02) | Isoniazid | Teva Pharmaceuticals USA, Inc. | 1972-09-01 |
| 10135-0804-01 | 100 TABLET in 1 BOTTLE, PLASTIC (10135-804-01) | isoniazid | Marlex Pharmaceuticals, Inc. | 2025-03-01 |
| 10135-0805-01 | 100 TABLET in 1 BOTTLE, PLASTIC (10135-805-01) | isoniazid | Marlex Pharmaceuticals, Inc. | 2025-03-01 |
| 10135-0805-30 | 30 TABLET in 1 BOTTLE, PLASTIC (10135-805-30) | isoniazid | Marlex Pharmaceuticals, Inc. | 2025-03-01 |
| 50090-0370-00 | 50 TABLET in 1 BOTTLE (50090-0370-0) | Isoniazid | A-S Medication Solutions | 2018-10-23 |
| 50090-0370-03 | 30 TABLET in 1 BOTTLE (50090-0370-3) | Isoniazid | A-S Medication Solutions | 2016-06-29 |
| 50090-7660-03 | 30 TABLET in 1 BOTTLE (50090-7660-3) | isoniazid | A-S Medication Solutions | 2025-09-29 |
| 51079-0083-20 | 100 BLISTER PACK in 1 CARTON (51079-083-20) / 1 TABLET in 1... | Isoniazid | Mylan Institutional Inc. | 1994-06-09 |
| 60687-0553-01 | 100 BLISTER PACK in 1 BOX, UNIT-DOSE (60687-553-01) / 1 TAB... | Isoniazid | American Health Packaging | 2020-10-28 |
| 62135-0709-90 | 90 TABLET in 1 BOTTLE (62135-709-90) | Isoniazid | Chartwell RX, LLC | 2023-10-20 |
| 63187-0978-30 | 30 TABLET in 1 BOTTLE (63187-978-30) | Isoniazid | Proficient Rx LP | 2018-02-01 |
| 63187-0978-60 | 60 TABLET in 1 BOTTLE (63187-978-60) | Isoniazid | Proficient Rx LP | 2018-02-01 |
| 63187-0978-90 | 90 TABLET in 1 BOTTLE (63187-978-90) | Isoniazid | Proficient Rx LP | 2018-02-01 |
| 64950-0216-10 | 100 TABLET in 1 BOTTLE (64950-216-10) | Isoniazid | Genus Lifesciences | 2024-11-01 |
| 64950-0217-03 | 30 TABLET in 1 BOTTLE (64950-217-03) | Isoniazid | Genus Lifesciences | 2024-11-01 |
| 64950-0217-10 | 100 TABLET in 1 BOTTLE (64950-217-10) | Isoniazid | Genus Lifesciences | 2024-11-01 |
| 67046-1570-03 | 30 TABLET in 1 BLISTER PACK (67046-1570-3) | Isoniazid | Coupler LLC | 2025-07-02 |
| 67046-1617-03 | 30 TABLET in 1 BLISTER PACK (67046-1617-3) | isoniazid | Coupler LLC | 2025-11-24 |
| 70518-4315-00 | 30 TABLET in 1 BLISTER PACK (70518-4315-0) | Isoniazid | REMEDYREPACK INC. | 2025-03-20 |
| 70518-4315-01 | 30 TABLET in 1 BOTTLE, PLASTIC (70518-4315-1) | Isoniazid | REMEDYREPACK INC. | 2025-05-01 |
| 70518-4315-02 | 45 TABLET in 1 BOTTLE, PLASTIC (70518-4315-2) | Isoniazid | REMEDYREPACK INC. | 2025-05-12 |
| 70518-4540-00 | 12 TABLET in 1 BOTTLE, PLASTIC (70518-4540-0) | isoniazid | REMEDYREPACK INC. | 2025-12-23 |
| 70518-4540-01 | 30 TABLET in 1 BLISTER PACK (70518-4540-1) | isoniazid | REMEDYREPACK INC. | 2026-01-21 |
| 71335-2760-01 | 30 TABLET in 1 BOTTLE (71335-2760-1) | Isoniazid | Bryant Ranch Prepack | 2024-11-01 |
| 71335-2800-01 | 100 TABLET in 1 BOTTLE (71335-2800-1) | Isoniazid | Bryant Ranch Prepack | 2025-10-13 |
| 71335-2800-02 | 30 TABLET in 1 BOTTLE (71335-2800-2) | Isoniazid | Bryant Ranch Prepack | 2025-10-13 |
| 71335-2800-03 | 60 TABLET in 1 BOTTLE (71335-2800-3) | Isoniazid | Bryant Ranch Prepack | 2025-10-13 |
| 71335-2800-04 | 35 TABLET in 1 BOTTLE (71335-2800-4) | Isoniazid | Bryant Ranch Prepack | 2025-10-13 |
| 71335-2800-05 | 90 TABLET in 1 BOTTLE (71335-2800-5) | Isoniazid | Bryant Ranch Prepack | 2025-10-13 |
| 71610-0395-30 | 30 TABLET in 1 BOTTLE, PLASTIC (71610-395-30) | Isoniazid | Aphena Pharma Solutions - Tennessee, LLC | 2020-02-21 |
| 72162-2445-01 | 100 TABLET in 1 BOTTLE (72162-2445-1) | isoniazid | Bryant Ranch Prepack | 2025-02-12 |
| 72162-2445-03 | 30 TABLET in 1 BOTTLE (72162-2445-3) | isoniazid | Bryant Ranch Prepack | 2025-02-12 |
| 81665-0107-10 | 100 TABLET in 1 BOTTLE, PLASTIC (81665-107-10) | isoniazid | OMNIVIUM PHARMACEUTICALS LLC. | 2024-10-15 |
| 81665-0108-10 | 100 TABLET in 1 BOTTLE, PLASTIC (81665-108-10) | isoniazid | OMNIVIUM PHARMACEUTICALS LLC. | 2024-10-15 |
| 81665-0108-30 | 30 TABLET in 1 BOTTLE, PLASTIC (81665-108-30) | isoniazid | OMNIVIUM PHARMACEUTICALS LLC. | 2024-10-15 |
| 81665-0108-51 | 1000 TABLET in 1 BOTTLE, PLASTIC (81665-108-51) | isoniazid | OMNIVIUM PHARMACEUTICALS LLC. | 2024-10-15 |
Observed labelers:
Bryant Ranch Prepack (8) ·
REMEDYREPACK INC. (5) ·
OMNIVIUM PHARMACEUTICALS LLC. (4) ·
A-S Medication Solutions (3) ·
Genus Lifesciences (3) ·
Marlex Pharmaceuticals, Inc. (3)
· +7 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.
🗃️ Sources & Limits
Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
- A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
- Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
- Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
- Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.
Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.