Guaifenesin/phenylephrine · GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 · Tablet · Oral · Rugby Laboratories
NDC 00536-1309-07 · 1 BOTTLE, PLASTIC in 1 CARTON / 30 TABLET in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
6 companies supply this market — a reasonable cushion if one runs into trouble. The price has held steady around $0.0786 per unit over the past year. 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.
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
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 15% 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 |
|---|---|---|---|
| AmerisourceBergen Drug Corp | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy, Inc. | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Rugby Laboratories | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Topco Associates Llc | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Valu Merch | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Strategic Sourcing Services LLC | GUAIFENESIN 400 mg/1; PHENYLEPHRINE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Rugby Chest Congestion Relief PE — NDC 00536-1309-07," retrieved September 3, 2026, https://drugdashboards.com/drug/00536130907.
Free to cite with attribution — see how the data is put together.