The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Guaifenesin and Phenylephrine Hydrochloride · GUAIFENESIN 100 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/5mL · Solution · Oral · Reckitt Benckiser LLC
NDC 63824-0951-07 · 1 BOTTLE in 1 CARTON / 118 mL in 1 BOTTLE · OTC MONOGRAPH DRUG · View full market →
Only one company currently supplies this market — there is no backup if it stumbles.
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 →Not scored — fragility is computed for NADAC-priced NDCs.
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Reckitt Benckiser LLC | GUAIFENESIN 100 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Mucinex Childrens Stuffy Nose and Chest Congestion — NDC 63824-0951-07," retrieved September 3, 2026, https://drugdashboards.com/drug/63824095107.
Free to cite with attribution — see how the data is put together.