Product Information

ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET is a generic product labeled by Wilshire Pharmaceuticals Inc., priced at $0.7138 per EA under NDC 52536000609. Its NADAC has been published 211 times since Sep 21, 2022.

FDA first approved this application on Jun 23, 2005. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET

hydralazine hydrochloride and isosorbide dinitrate
$0.7138per EA

Strength

37.5; 20 mg/1; mg/1

NDC

52536000609

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Effective Date

9/23/2026

Approval Type

Authorized Generic (NDA)

FDA Application

NDA020727

FDA Approved

6/23/2005

TE Code

AB

On Market Since

4/15/2022

Pharmacological Classes

Arteriolar Vasodilation
Arteriolar Vasodilator
Nitrate Vasodilator
Nitrates
Vasodilation

Price Statistics

The NADAC for ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET has been published 211 times since Sep 21, 2022, and over the history we have for it it has declined 48.1%. The table below summarizes its recorded NADAC range and movement.

Current price$0.7138 per EA
All-time high$2.2084 (Aug 16, 2023)
All-time low$0.6998 (Nov 19, 2025)
52-week high$0.7961
52-week low$0.6998
Median price$0.9769
Average price$1.1637
Largest weekly change-22.9% (Aug 23, 2023)
Weeks tracked211
Tracking sinceSep 21, 2022

Price History

1W

0.0%

1M

+0.7%

3M

-2.3%

6M

-8.2%

1Y

-2.3%

3Y

-55.5%

5Y

N/A

All

-48.1%

Generic Alternatives

No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the hydralazine hydrochloride and isosorbide dinitrate market page.

Lowest-Cost Alternatives

No alternatives available

No alternatives found with the same active ingredient and strength in a comparable dosage form.

Continue researching this drug

Use these direct paths to move from a single NDC into the surrounding market, manufacturer, class, and trend context.

Frequently asked questions

What is the NADAC price of ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET, manufactured by Wilshire Pharmaceuticals Inc., is $0.7138 per EA (NDC 52536000609), effective Sep 30, 2026.

How has the price of ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET changed over time?

Over the history we have for it, the NADAC for ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET has declined 48.1%. It has been tracked across 211 weekly CMS publications since Sep 21, 2022.

What are the highest and lowest recorded NADAC prices for ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET?

Since Sep 21, 2022, the NADAC for ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET has ranged from a low of $0.6998 (Nov 19, 2025) to a high of $2.2084 (Aug 16, 2023), with a median of $0.9769 per EA.

Are there cheaper alternatives to ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET?

No other NADAC-published product currently shares the active ingredient and strength of ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET in a comparable dosage form, so no direct lower-cost alternative is listed.

Who manufactures ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET?

ISOSORBIDE-HYDRALAZINE 20-37.5 MG TABLET (NDC 52536000609) is labeled by Wilshire Pharmaceuticals Inc., and CMS classifies it as a generic product.