Guaifenesin and Pseudoephedrine Hydrochloride · GUAIFENESIN 600 mg/1; PSEUDOEPHEDRINE HYDROCHLORIDE 60 mg/1 · Tablet, Extended Release · Oral · Rugby Laboratories, Inc.
NDC 00536-1333-21 · 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 price has jumped 36% in a year, to $0.3872 per unit — sharp rises like this often mean supply is already tightening. Put together: this looks like a healthy supply — the boring kind, which is exactly what you want.
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 →Estimates: latest NADAC unit price × quantity. Pharmacy acquisition cost only — excludes dispensing fees, markup, and insurance terms.
Nothing here is signaling trouble: several manufacturers, no current shortage, no recent serious recalls, stable pricing. In drug supply, boring is the good outcome.
The score counts pressure that is already visible — fewer makers, shortages, recalls, falling prices. 0 means none of it; 100 means all of it at once. Recomputed daily · as of Sep 3, 2026
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 00536-1333-21," retrieved September 3, 2026, https://drugdashboards.com/drug/00536133321.
Free to cite with attribution — see how the data is put together.