Product Information

TRIAMTERENE 50 MG CAPSULE is a generic product labeled by Prasco Laboratories, priced at $5.9753 per EA under NDC 66993083102. Its NADAC has been published 181 times since Sep 22, 2021.

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.

TRIAMTERENE 50 MG CAPSULE

Triamterene
$5.9753per EA

Strength

50 mg/1

NDC

66993083102

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Effective Date

9/23/2026

Active Ingredients

TRIAMTERENE

Approval Type

Authorized Generic (NDA)

FDA Application

NDA013174

FDA Approved

Before 1982

TE Code

AB

On Market Since

8/13/2019

Pharmacological Classes

Decreased Renal K+ Excretion
Increased Diuresis
Potassium-sparing Diuretic

Price Statistics

The NADAC for TRIAMTERENE 50 MG CAPSULE has been published 181 times since Sep 22, 2021, and over the history we have for it it has declined 31.5%. The table below summarizes its recorded NADAC range and movement.

Current price$5.9753 per EA
All-time high$8.7204 (Sep 14, 2022)
All-time low$5.9753 (Sep 23, 2026)
52-week high$7.4785
52-week low$5.9753
Median price$6.9288
Average price$7.2658
Largest weekly change-20.8% (Apr 17, 2024)
Weeks tracked181
Tracking sinceSep 22, 2021

Price History

1W

0.0%

1M

-1.5%

3M

-4.9%

6M

-13.1%

1Y

-19.6%

3Y

-31.5%

5Y

-31.5%

All

-31.5%

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). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Lowest-Cost Alternatives

1 alternative • Same active ingredient

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 TRIAMTERENE 50 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for TRIAMTERENE 50 MG CAPSULE, manufactured by Prasco Laboratories, is $5.9753 per EA (NDC 66993083102), effective Sep 30, 2026.

How has the price of TRIAMTERENE 50 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for TRIAMTERENE 50 MG CAPSULE has declined 31.5%. It has been tracked across 181 weekly CMS publications since Sep 22, 2021.

What are the highest and lowest recorded NADAC prices for TRIAMTERENE 50 MG CAPSULE?

Since Sep 22, 2021, the NADAC for TRIAMTERENE 50 MG CAPSULE has ranged from a low of $5.9753 (Sep 23, 2026) to a high of $8.7204 (Sep 14, 2022), with a median of $6.9288 per EA.

Are there cheaper alternatives to TRIAMTERENE 50 MG CAPSULE?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as TRIAMTERENE 50 MG CAPSULE in a comparable dosage form, but none are currently priced below it.

Who manufactures TRIAMTERENE 50 MG CAPSULE?

TRIAMTERENE 50 MG CAPSULE (NDC 66993083102) is labeled by Prasco Laboratories, and CMS classifies it as a generic product.