Product Information
ETHAMBUTOL HCL 100 MG TABLET is a generic product labeled by STI Pharma LLC, priced at $0.3452 per EA under NDC 54879000101. Its NADAC has been published 201 times since Nov 28, 2013.
FDA first approved this application before 1982. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
100 mg/1
Manufacturer
STI Pharma LLCNDC
54879000101
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
11/19/2025
Active Ingredients
ETHAMBUTOL HYDROCHLORIDEApproval Type
Authorized Generic (NDA)
FDA Application
NDA016320FDA Approved
Before 1982
TE Code
AB
On Market Since
12/15/2006
Pharmacological Classes
Price Statistics
The NADAC for ETHAMBUTOL HCL 100 MG TABLET has been published 201 times since Nov 28, 2013, and over the history we have for it it has declined 24.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3452 per EA |
|---|---|
| All-time high | $0.4588 (Dec 11, 2013) |
| All-time low | $0.2688 (Sep 18, 2024) |
| 52-week high | $0.3481 |
| 52-week low | $0.3434 |
| Median price | $0.3246 |
| Average price | $0.3493 |
| Largest weekly change | -24.8% (Aug 21, 2019) |
| Weeks tracked | 201 |
| Tracking since | Nov 28, 2013 |
1W
N/A
1M
N/A
3M
N/A
6M
N/A
1Y
+0.5%
3Y
+12.3%
5Y
+12.3%
All
-24.8%
Last surveyed Nov 19, 2025 — this NDC no longer appears in the current weekly NADAC file.
Generic Alternatives
The matcher finds 1 manufacturer offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 12% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Continue researching this drug
Use these direct paths to move from a single NDC into the surrounding market, manufacturer, class, and trend context.
Manufacturer
STI Pharma LLC manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
Ethambutol Hydrochloride market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Antimycobacterial class view
See how this drug behaves alongside other products in the same FDA pharmacologic class.
Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of ETHAMBUTOL HCL 100 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ETHAMBUTOL HCL 100 MG TABLET, manufactured by STI Pharma LLC, is $0.3452 per EA (NDC 54879000101), effective Nov 19, 2025.
How has the price of ETHAMBUTOL HCL 100 MG TABLET changed over time?
Over the history we have for it, the NADAC for ETHAMBUTOL HCL 100 MG TABLET has declined 24.8%. It has been tracked across 201 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for ETHAMBUTOL HCL 100 MG TABLET?
Since Nov 28, 2013, the NADAC for ETHAMBUTOL HCL 100 MG TABLET has ranged from a low of $0.2688 (Sep 18, 2024) to a high of $0.4588 (Dec 11, 2013), with a median of $0.3246 per EA.
Are there cheaper alternatives to ETHAMBUTOL HCL 100 MG TABLET?
Yes. 1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ETHAMBUTOL HCL 100 MG TABLET, is $0.3040 per EA — about 12% below ETHAMBUTOL HCL 100 MG TABLET.
Who manufactures ETHAMBUTOL HCL 100 MG TABLET?
ETHAMBUTOL HCL 100 MG TABLET (NDC 54879000101) is labeled by STI Pharma LLC, and CMS classifies it as a generic product.