Product Information
ISONIAZID 100 MG TABLET is a generic product labeled by Teva Pharmaceuticals USA Inc., priced at $1.7322 per EA under NDC 00555006602. Its NADAC has been published 307 times since Nov 28, 2013.
Strength
100 mg/1
Manufacturer
Teva Pharmaceuticals USA Inc.NDC
00555006602
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
ISONIAZIDApproval Type
Generic (ANDA)
FDA Application
ANDA080936On Market Since
9/1/1972
Pharmacological Classes
Price Statistics
The NADAC for ISONIAZID 100 MG TABLET has been published 307 times since Nov 28, 2013, and over the history we have for it it has risen 348.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.7322 per EA |
|---|---|
| All-time high | $1.7322 (Jun 24, 2026) |
| All-time low | $0.0649 (Feb 18, 2015) |
| 52-week high | $1.7322 |
| 52-week low | $1.6016 |
| Median price | $0.0853 |
| Average price | $0.2551 |
| Largest weekly change | +1450.7% (Nov 19, 2025) |
| Weeks tracked | 307 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient, strength, and dosage form. Compare the broader picture on the Isoniazid market page.
Lowest-Cost Alternatives
No alternatives available
Frequently asked questions
What is the NADAC price of ISONIAZID 100 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ISONIAZID 100 MG TABLET, manufactured by Teva Pharmaceuticals USA Inc., is $1.7322 per EA (NDC 00555006602), effective Jun 24, 2026.
How has the price of ISONIAZID 100 MG TABLET changed over time?
Over the history we have for it, the NADAC for ISONIAZID 100 MG TABLET has risen 348.3%. It has been tracked across 307 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for ISONIAZID 100 MG TABLET?
Since Nov 28, 2013, the NADAC for ISONIAZID 100 MG TABLET has ranged from a low of $0.0649 (Feb 18, 2015) to a high of $1.7322 (Jun 24, 2026), with a median of $0.0853 per EA.
Are there cheaper alternatives to ISONIAZID 100 MG TABLET?
No other NADAC-published product currently shares the active ingredient, strength, and dosage form of ISONIAZID 100 MG TABLET, so no direct lower-cost alternative is listed.
Who manufactures ISONIAZID 100 MG TABLET?
ISONIAZID 100 MG TABLET (NDC 00555006602) is labeled by Teva Pharmaceuticals USA Inc., and CMS classifies it as a generic product.
Related Drugs
Same classification