Isoniazid Tablet
Pricing Report NDC 0555-0066-02

View Wholesale Price per Unit, Acquisition Costs, and Historic Pricing Trends

Current Package Pricing Information

The current wholesale acquisition cost for Isoniazid (NDC 0555-0066-02) is $1.73222 per EA. This benchmark price is based on the National Average Drug Acquisition Cost (NADAC) and has been effective since Jun 17, 2026.

As a a human prescription drug provided by Teva Pharmaceuticals Usa, Inc., this medication is distributed in a 100 TABLET in 1 BOTTLE configuration. The pricing data is derived from C/I - Chain or Independent Pharmacy surveys, reflecting the actual invoice prices paid by community pharmacies to drug wholesalers.

NADAC Pricing Summary

NADAC pricing snapshot for this package NDC

Acquisition Cost
$1.73222
Per EA

Effective Date
Jun 17, 2026
Billable Units
100 EA
Estimated Package Price
$173.22
Data Status
As of Jul 08, 2026
C/I - Chain or Independent Pharmacy
Package NDC
Description
100 TABLET in 1 BOTTLE
Pricing Methodology Explanation
The NADAC was calculated using information from the most recently completed pharmacy survey.

Historical Pricing Trends & Acquisition Cost Benchmarks

Since Nov 2013, the NADAC wholesale price for (NDC ) has moved within a range of $0.06492 to $1.73222 per EA. Over this 12 years and 6 months period, the pricing trend reflects the shifting acquisition costs reported by retail and chain pharmacies to the Centers for Medicare and Medicaid Services (CMS). The following interactive chart and historical table detail every recorded price adjustment based on these federal surveys.

Price Range
$0.0649 - $1.7322
Market Volatility
2,568.24% Variance
Latest Trend
1.62%
Date Unit Price Unit Source Method Rate
Jun 17, 2026 $1.73222 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 20, 2026 $1.70454 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Apr 22, 2026 $1.67848 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Mar 18, 2026 $1.65050 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Feb 18, 2026 $1.63211 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jan 21, 2026 $1.62385 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Dec 17, 2025 $1.61163 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Nov 19, 2025 $1.60155 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jan 22, 2025 $0.10328 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Dec 18, 2024 $0.10189 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Nov 20, 2024 $0.10193 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Oct 23, 2024 $0.09912 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Sep 18, 2024 $0.09581 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 21, 2024 $0.09724 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jul 17, 2024 $0.09790 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jun 19, 2024 $0.09990 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 22, 2024 $0.10223 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Apr 17, 2024 $0.10537 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 23, 2023 $0.11456 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 23, 2023 $0.11456 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Sep 21, 2016 $0.08534 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Sep 21, 2016 $0.08534 EAC/I - Chain or Independent PharmacyCode 4G - Generic
May 18, 2016 $0.08590 EAC/I - Chain or Independent PharmacyCode 1G - Generic
May 18, 2016 $0.08590 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Dec 23, 2015 $0.08186 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Dec 23, 2015 $0.08186 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Feb 18, 2015 $0.06492 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Feb 18, 2015 $0.06492 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Aug 20, 2014 $0.06632 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Aug 20, 2014 $0.06632 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Jun 18, 2014 $0.06732 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Jun 18, 2014 $0.06732 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Feb 19, 2014 $0.06720 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Feb 19, 2014 $0.06720 EAC/I - Chain or Independent PharmacyCode 4G - Generic
Nov 21, 2013 $0.38638 EAC/I - Chain or Independent PharmacyCode 1G - Generic
Nov 21, 2013 $0.38638 EAC/I - Chain or Independent PharmacyCode 4G - Generic

Pricing Methodology Legend

  • Code 1: The NADAC was calculated using information from the most recently completed pharmacy survey.
  • Code 4: The NADAC was carried forward from the previous file.

Understanding NADAC Pricing Data

The National Average Drug Acquisition Cost (NADAC) is compiled by the Centers for Medicare and Medicaid Services (CMS). This data is derived from random monthly surveys of more than 60,000 pharmacies across all 50 states.


Important Price Distinction:

The prices listed on this page represent the wholesale invoice price paid by pharmacies to acquire the drug. This is NOT the retail price paid by consumers at the pharmacy counter. Final patient costs typically include pharmacy markups, professional dispensing fees, and insurance adjustments.

NADAC Pricing Data Last Updated on: July 08, 2026