Product Information
ISOSORBIDE MONONIT 20 MG TAB is a generic product labeled by Omnivium Pharmaceuticals LLC, priced at $2.2912 per EA under NDC 81665010310. Its NADAC has been published 87 times since Feb 5, 2025.
FDA first approved this application on Jun 30, 1993. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the isosorbide mononitrate market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
20 mg/1
Manufacturer
Omnivium Pharmaceuticals LLCNDC
81665010310
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ISOSORBIDE MONONITRATEApproval Type
Authorized Generic (NDA)
FDA Application
NDA020215FDA Approved
6/30/1993
TE Code
AB
On Market Since
5/2/2024
Pharmacological Classes
Price Statistics
The NADAC for ISOSORBIDE MONONIT 20 MG TAB has been published 87 times since Feb 5, 2025, and over the history we have for it it has risen 1116.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.2912 per EA |
|---|---|
| All-time high | $3.3902 (Feb 11, 2026) |
| All-time low | $0.1884 (Feb 5, 2025) |
| 52-week high | $3.3902 |
| 52-week low | $2.2912 |
| Median price | $3.3738 |
| Average price | $2.7239 |
| Largest weekly change | +1645.3% (May 21, 2025) |
| Weeks tracked | 87 |
| Tracking since | Feb 5, 2025 |
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 93% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Omnivium Pharmaceuticals LLC manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
isosorbide mononitrate market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Nitrate Vasodilator 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 ISOSORBIDE MONONIT 20 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for ISOSORBIDE MONONIT 20 MG TAB, manufactured by Omnivium Pharmaceuticals LLC, is $2.2912 per EA (NDC 81665010310), effective Sep 30, 2026.
How has the price of ISOSORBIDE MONONIT 20 MG TAB changed over time?
Over the history we have for it, the NADAC for ISOSORBIDE MONONIT 20 MG TAB has risen 1116.2%. It has been tracked across 87 weekly CMS publications since Feb 5, 2025.
What are the highest and lowest recorded NADAC prices for ISOSORBIDE MONONIT 20 MG TAB?
Since Feb 5, 2025, the NADAC for ISOSORBIDE MONONIT 20 MG TAB has ranged from a low of $0.1884 (Feb 5, 2025) to a high of $3.3902 (Feb 11, 2026), with a median of $3.3738 per EA.
Are there cheaper alternatives to ISOSORBIDE MONONIT 20 MG TAB?
Yes. 1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ISOSORBIDE MONONIT 20 MG TAB, is $0.1492 per EA — about 93% below ISOSORBIDE MONONIT 20 MG TAB.
Who manufactures ISOSORBIDE MONONIT 20 MG TAB?
ISOSORBIDE MONONIT 20 MG TAB (NDC 81665010310) is labeled by Omnivium Pharmaceuticals LLC, and CMS classifies it as a generic product.