Product Information
GUAIFENESIN ER 600 MG TABLET is a generic product labeled by Rugby Laboratories, priced at $0.2912 per EA under NDC 00536116361. Its NADAC has been published 363 times since Jul 17, 2019.
Strength
600 mg/1
Manufacturer
Rugby LaboratoriesNDC
00536116361
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
GUAIFENESINApproval Type
Generic (ANDA)
FDA Application
ANDA207342On Market Since
8/31/2018
Pharmacological Classes
Price Statistics
The NADAC for GUAIFENESIN ER 600 MG TABLET has been published 363 times since Jul 17, 2019, and over the history we have for it it has declined 21.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2912 per EA |
|---|---|
| All-time high | $0.5241 (Nov 13, 2019) |
| All-time low | $0.2812 (Oct 18, 2023) |
| 52-week high | $0.3341 |
| 52-week low | $0.2912 |
| Median price | $0.3286 |
| Average price | $0.3360 |
| Largest weekly change | +49.8% (Oct 23, 2019) |
| Weeks tracked | 363 |
| Tracking since | Jul 17, 2019 |
Generic Alternatives
The matcher finds 10 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 10 manufacturers (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 ER 600 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for GUAIFENESIN ER 600 MG TABLET, manufactured by Rugby Laboratories, is $0.2912 per EA (NDC 00536116361), effective Jun 24, 2026.
How has the price of GUAIFENESIN ER 600 MG TABLET changed over time?
Over the history we have for it, the NADAC for GUAIFENESIN ER 600 MG TABLET has declined 21.9%. It has been tracked across 363 weekly CMS publications since Jul 17, 2019.
What are the highest and lowest recorded NADAC prices for GUAIFENESIN ER 600 MG TABLET?
Since Jul 17, 2019, the NADAC for GUAIFENESIN ER 600 MG TABLET has ranged from a low of $0.2812 (Oct 18, 2023) to a high of $0.5241 (Nov 13, 2019), with a median of $0.3286 per EA.
Are there cheaper alternatives to GUAIFENESIN ER 600 MG TABLET?
10 NADAC-published products share the same active ingredient, strength, and dosage form as GUAIFENESIN ER 600 MG TABLET, but none are currently priced below it.
Who manufactures GUAIFENESIN ER 600 MG TABLET?
GUAIFENESIN ER 600 MG TABLET (NDC 00536116361) is labeled by Rugby Laboratories, and CMS classifies it as a generic product.
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