Product Information

TRIAMTERENE 100 MG CAPSULE is a generic product labeled by Prasco Laboratories, priced at $7.1630 per EA under NDC 66993083202. Its NADAC has been published 36 times since Dec 17, 2025.

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 100 MG CAPSULE

Triamterene
$7.1630per EA

Strength

100 mg/1

NDC

66993083202

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Effective Date

8/19/2026

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 100 MG CAPSULE has been published 36 times since Dec 17, 2025, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.

Current price$7.1630 per EA
All-time high$7.2824 (Apr 15, 2026)
All-time low$7.0416 (Jun 17, 2026)
52-week high$7.2824
52-week low$7.0416
Median price$7.1257
Average price$7.1382
Largest weekly change+2.0% (Jan 21, 2026)
Weeks tracked36
Tracking sinceDec 17, 2025

Price History

1W

+1.7%

1M

+1.7%

3M

+1.1%

6M

-1.0%

1Y

N/A

3Y

N/A

5Y

N/A

All

+1.7%

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

Frequently asked questions

What is the NADAC price of TRIAMTERENE 100 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for TRIAMTERENE 100 MG CAPSULE, manufactured by Prasco Laboratories, is $7.1630 per EA (NDC 66993083202), effective Aug 19, 2026.

How has the price of TRIAMTERENE 100 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for TRIAMTERENE 100 MG CAPSULE has held within roughly two percent of its current level. It has been tracked across 36 weekly CMS publications since Dec 17, 2025.

What are the highest and lowest recorded NADAC prices for TRIAMTERENE 100 MG CAPSULE?

Since Dec 17, 2025, the NADAC for TRIAMTERENE 100 MG CAPSULE has ranged from a low of $7.0416 (Jun 17, 2026) to a high of $7.2824 (Apr 15, 2026), with a median of $7.1257 per EA.

Are there cheaper alternatives to TRIAMTERENE 100 MG CAPSULE?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as TRIAMTERENE 100 MG CAPSULE in a comparable dosage form, but none are currently priced below it.

Who manufactures TRIAMTERENE 100 MG CAPSULE?

TRIAMTERENE 100 MG CAPSULE (NDC 66993083202) is labeled by Prasco Laboratories, and CMS classifies it as a generic product.