The short version
9 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Guaifenesin and Pseudoephedrine Hydrochloride · GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 · Tablet, Extended Release · Oral · Walgreen Company
NDC 00363-9930-18 · 1 BLISTER PACK in 1 CARTON / 18 TABLET, EXTENDED RELEASE in 1 BLISTER PACK · ANDA · View full market →
9 companies supply this market — a reasonable cushion if one runs into trouble.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
price up 24% YoY · sole-source market
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| CVS Pharmacy | GUAIFENESIN 1200 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 120 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy, Inc. | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Publix Super Markets, Inc | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Reckitt Benckiser LLC | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Reckitt Benckiser LLC | GUAIFENESIN 1200 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 120 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Rugby Laboratories, Inc. | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Strategic Sourcing Services Llc | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Company | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Company | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| A-S Medication Solutions | GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Guaifenesin D — NDC 00363-9930-18," retrieved September 3, 2026, https://drugdashboards.com/drug/00363993018.
Free to cite with attribution — see how the data is put together.