Product Information

GUAIFENESIN 100 MG/5 ML SOLN is a generic product labeled by Oncor Pharmaceuticals, priced at $0.0112 per ML under NDC 83720050316. Its NADAC has been published 111 times since Jul 10, 2024.

GUAIFENESIN 100 MG/5 ML SOLN

Guaifenesin
$0.0112per ML
OTC

Strength

100 mg/5mL

NDC

83720050316

Classification

Generic

Dosage Form

LIQUID

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

GUAIFENESIN

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M012

On Market Since

5/10/2024

Pharmacological Classes

Decreased Respiratory Secretion Viscosity
Expectorant
Increased Respiratory Secretions

Price Statistics

The NADAC for GUAIFENESIN 100 MG/5 ML SOLN has been published 111 times since Jul 10, 2024, and over the history we have for it it has declined 15.0%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0112 per ML
All-time high$0.0138 (Mar 11, 2026)
All-time low$0.0089 (Jul 17, 2024)
52-week high$0.0138
52-week low$0.0112
Median price$0.0125
Average price$0.0123
Largest weekly change+37.5% (Aug 21, 2024)
Weeks tracked111
Tracking sinceJul 10, 2024

Price History

1W

-0.9%

1M

-0.9%

3M

-6.1%

6M

-19.1%

1Y

-16.2%

3Y

N/A

5Y

N/A

All

-15.0%

Generic Alternatives

The matcher finds 4 manufacturers 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.

Frequently asked questions

What is the NADAC price of GUAIFENESIN 100 MG/5 ML SOLN?

The current National Average Drug Acquisition Cost (NADAC) for GUAIFENESIN 100 MG/5 ML SOLN, manufactured by Oncor Pharmaceuticals, is $0.0112 per ML (NDC 83720050316), effective Aug 19, 2026.

How has the price of GUAIFENESIN 100 MG/5 ML SOLN changed over time?

Over the history we have for it, the NADAC for GUAIFENESIN 100 MG/5 ML SOLN has declined 15.0%. It has been tracked across 111 weekly CMS publications since Jul 10, 2024.

What are the highest and lowest recorded NADAC prices for GUAIFENESIN 100 MG/5 ML SOLN?

Since Jul 10, 2024, the NADAC for GUAIFENESIN 100 MG/5 ML SOLN has ranged from a low of $0.0089 (Jul 17, 2024) to a high of $0.0138 (Mar 11, 2026), with a median of $0.0125 per ML.

Are there cheaper alternatives to GUAIFENESIN 100 MG/5 ML SOLN?

4 manufacturers publish a NADAC-priced product with the same active ingredient and strength as GUAIFENESIN 100 MG/5 ML SOLN in a comparable dosage form, but none are currently priced below it.

Who manufactures GUAIFENESIN 100 MG/5 ML SOLN?

GUAIFENESIN 100 MG/5 ML SOLN (NDC 83720050316) is labeled by Oncor Pharmaceuticals, and CMS classifies it as a generic product.