Skip to main content
Price comparison onlyNot medical adviceUsing this site means you accept our Terms & PrivacyAlways confirm with your pharmacist

Mucinex

Generic Guaifenesin · tablet · Rx required · Chest congestion, mucus thinner.

Strength
Quantity

Fetching live prices…

Fetching live prices…

Local BetterBuy Rx prices near you

Enter your ZIP to check real pharmacy prices in your area with the free BetterBuy Rx discount card. No ZIP? The national price is in the results above.

About Mucinex

Mucinex is a brand of Guaifenesin, a cough/cold medication supplied as tablet in a 600 mg strength. It is commonly used for chest congestion, mucus thinner.

An FDA-approved generic (Guaifenesin) is available and typically costs less than the brand, compare both cash prices in the results above before you fill.

Ways to save on Mucinex

Choosing the generic (Guaifenesin) instead of the brand can lower your cost, on average about $12.00 per fill (60% off the brand price) in our catalog, though the exact price varies by pharmacy, location, quantity, and eligibility. Compare the live cash and discount prices above, and ask about a 90-day supply if you take it long-term.

Same active ingredient · way cheaper

Don't pay for the Mucinex label

Active ingredient: Guaifenesin 600mg extended release

You can save
$11.00
55% off the brand
Brand on the shelf
Mucinex
~$19.99
Same thing, store brand
~$8.99
Average across store-brand options below.
Look for any of these on the shelf
  • CVS Health Mucus Relief Guaifenesin
  • Walgreens Wal-Tussin Mucus Relief
  • Equate Tussin Mucus Relief
  • Amazon Basic Care Mucus Relief

Active ingredients are taken from the FDA Drug Facts panel (DailyMed). Store-brand prices are typical US shelf estimates and vary by location. Ask the pharmacist if you can't spot the store-brand version.

Manufacturer & patient assistance programs

For patient assistance, check NeedyMeds and RxAssist.

Frequently asked questions

Is generic Guaifenesin the same as Mucinex?

Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.

How much can I save by choosing the generic?

On average $12.00 per fill (60% off the brand price). Savings vary by pharmacy, see live prices above.

Do I need insurance to get this price?

No. The prices shown on BetterBuyRx are cash prices. Often these beat insurance copays for generics.

How often is this price updated?

At minimum every 72 hours. Many sources refresh every few hours.

Related medications

Compare Mucinex with other options and see the generic price.

Cheapest Mucinex alternatives

Important safety information

Information for general comparison only. Not medical advice. Confirm with your pharmacist.