Data / Drug companies / Guaifenesin

Guaifenesin: 123 companies and 293 products in the FDA NDC directory

Guaifenesin is listed in the FDA National Drug Code Directory by 123 companies, with 293 products in commercial distribution. 171 of the products (58.4%) are marketed under an abbreviated new drug application (ANDA), the generic route. The most common dosage forms are tablet, extended release; tablet; tablet, multilayer, extended release, and the newest product started marketing on October 27, 2026.

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Companies listing it

123

Products

293

Generic (ANDA) products

171 (58.4%)

Application numbers

12

Routes

Oral, Topical

Brand names

Mucus Relief, Mucus Relief, Mucinex, Mucus Relief Maximum Strength, Maximum Strength Mucus Relief, Mucus Relief Extended Release Maximum Strength, Chest Congestion Relief, Mucus Relief Extended Release

openFDA record search

api.fda.gov

Companies that list guaifenesin

Ranked by number of products. Finished drugs in commercial distribution.

Dosage forms

Marketing categories

Pharmacologic classes

Updated November 6, 2026. Read from US Food and Drug Administration, National Drug Code Directory (openFDA). CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.