The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Dextromethorphan Hydrobromide, Guaifenesin, and Phenylephrine Hydrochloride · GUAIFENESIN 100 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 5 mg/5mL; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/5mL · Syrup · Oral · Genomma Lab USA
NDC 50066-0534-04 · 1 BOTTLE, PLASTIC in 1 CARTON / 118 mL in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
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 →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.
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 |
|---|---|---|---|
| Genomma Lab USA | GUAIFENESIN 100 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 5 mg/5mL; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Genomma Lab USA | DEXTROMETHORPHAN HYDROBROMIDE 5 mg/2.5mL; GUAIFENESIN 50 mg/2.5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/2.5mL | Jul 15, 2026 | Sep 2, 2026 |
| Genomma Lab USA | DEXTROMETHORPHAN HYDROBROMIDE 5 mg/5mL; GUAIFENESIN 50 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Pharmadel LLC | GUAIFENESIN 50 mg/2.5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/2.5mL; DEXTROMETHORPHAN HYDROBROMIDE 5 mg/2.5mL | Aug 26, 2026 | Sep 2, 2026 |
| Pharmadel LLC | GUAIFENESIN 200 mg/10mL; PHENYLEPHRINE HYDROCHLORIDE 10 mg/10mL; DEXTROMETHORPHAN HYDROBROMIDE 20 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Genomma Lab USA | DEXTROMETHORPHAN HYDROBROMIDE 10 mg/5mL; GUAIFENESIN 100 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 5 mg/5mL | Jul 15, 2026 | Aug 30, 2026 |
| Genomma Lab USA | GUAIFENESIN 10 mg/5mL; PHENYLEPHRINE HYDROCHLORIDE 100 mg/5mL; DEXTROMETHORPHAN HYDROBROMIDE 5 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Pharmadel LLC | GUAIFENESIN 20 mg/10mL; PHENYLEPHRINE HYDROCHLORIDE 200 mg/10mL; DEXTROMETHORPHAN HYDROBROMIDE 10 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Pharmadel LLC | GUAIFENESIN 5 mg/2.5mL; PHENYLEPHRINE HYDROCHLORIDE 50 mg/2.5mL; DEXTROMETHORPHAN HYDROBROMIDE 2.5 mg/2.5mL | Jul 22, 2026 | Aug 19, 2026 |
| Pharmadel LLC | DEXTROMETHORPHAN HYDROBROMIDE 5 mg/2.5mL; GUAIFENESIN 50 mg/2.5mL; PHENYLEPHRINE HYDROCHLORIDE 2.5 mg/2.5mL | Jul 15, 2026 | Jul 15, 2026 |
| Pharmadel LLC | DEXTROMETHORPHAN HYDROBROMIDE 20 mg/10mL; GUAIFENESIN 200 mg/10mL; PHENYLEPHRINE HYDROCHLORIDE 10 mg/10mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Tukol Cough And Cold Honey Flavor — NDC 50066-0534-04," retrieved September 3, 2026, https://drugdashboards.com/drug/50066053404.
Free to cite with attribution — see how the data is put together.