Product Information
CHEST CONGEST RLF 400 MG TAB is a generic product labeled by Rugby Laboratories, priced at $0.0653 per EA under NDC 00536131108. Its NADAC has been published 275 times since May 19, 2021.
Strength
400 mg/1
Manufacturer
Rugby LaboratoriesNDC
00536131108
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
GUAIFENESINApproval Type
OTC MONOGRAPH DRUG
FDA Application
M012On Market Since
9/1/2020
Pharmacological Classes
Price Statistics
The NADAC for CHEST CONGEST RLF 400 MG TAB has been published 275 times since May 19, 2021, and over the history we have for it it has declined 6.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0653 per EA |
|---|---|
| All-time high | $0.0744 (Nov 13, 2024) |
| All-time low | $0.0560 (Apr 19, 2023) |
| 52-week high | $0.0683 |
| 52-week low | $0.0653 |
| Median price | $0.0677 |
| Average price | $0.0672 |
| Largest weekly change | +13.5% (May 17, 2023) |
| Weeks tracked | 275 |
| Tracking since | May 19, 2021 |
Generic Alternatives
The matcher finds 5 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.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of CHEST CONGEST RLF 400 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for CHEST CONGEST RLF 400 MG TAB, manufactured by Rugby Laboratories, is $0.0653 per EA (NDC 00536131108), effective Aug 19, 2026.
How has the price of CHEST CONGEST RLF 400 MG TAB changed over time?
Over the history we have for it, the NADAC for CHEST CONGEST RLF 400 MG TAB has declined 6.3%. It has been tracked across 275 weekly CMS publications since May 19, 2021.
What are the highest and lowest recorded NADAC prices for CHEST CONGEST RLF 400 MG TAB?
Since May 19, 2021, the NADAC for CHEST CONGEST RLF 400 MG TAB has ranged from a low of $0.0560 (Apr 19, 2023) to a high of $0.0744 (Nov 13, 2024), with a median of $0.0677 per EA.
Are there cheaper alternatives to CHEST CONGEST RLF 400 MG TAB?
5 manufacturers publish a NADAC-priced product with the same active ingredient and strength as CHEST CONGEST RLF 400 MG TAB in a comparable dosage form, but none are currently priced below it.
Who manufactures CHEST CONGEST RLF 400 MG TAB?
CHEST CONGEST RLF 400 MG TAB (NDC 00536131108) is labeled by Rugby Laboratories, and CMS classifies it as a generic product.