Product Information

ISOSORBIDE MONONIT 20 MG TAB is a generic product labeled by Omnivium Pharmaceuticals LLC, priced at $2.3829 per EA under NDC 81665010310. Its NADAC has been published 81 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.

ISOSORBIDE MONONIT 20 MG TAB

isosorbide mononitrate
$2.3829per EA
High Outlier

Strength

20 mg/1

NDC

81665010310

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ISOSORBIDE MONONITRATE

Approval Type

Authorized Generic (NDA)

FDA Application

NDA020215

FDA Approved

6/30/1993

TE Code

AB

On Market Since

5/2/2024

Pharmacological Classes

Nitrate Vasodilator
Nitrates
Vasodilation

Price Statistics

The NADAC for ISOSORBIDE MONONIT 20 MG TAB has been published 81 times since Feb 5, 2025, and over the history we have for it it has risen 1164.9%. The table below summarizes its recorded NADAC range and movement.

Current price$2.3829 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$2.3829
Median price$3.3738
Average price$2.7514
Largest weekly change+1645.3% (May 21, 2025)
Weeks tracked81
Tracking sinceFeb 5, 2025

Price History

1W

-18.7%

1M

-18.7%

3M

-29.6%

6M

-29.6%

1Y

-29.3%

3Y

N/A

5Y

N/A

All

+1164.9%

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 94% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Lowest-Cost Alternatives

Save up to 94%

1 alternative • Same active ingredient

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 $2.3829 per EA (NDC 81665010310), effective Aug 19, 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 1164.9%. It has been tracked across 81 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 94% 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.