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.
Sinus Relief, Caseys 4good
acetaminophen, guaifenesin, phenylephrine hcl caplet, film-coated · ACETAMINOPHEN 325 mg/1; GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 · Tablet, Film Coated · Oral · Lil' Drug Store Products, Inc.
NDC 66715-6332-03 · 1 BLISTER PACK in 1 CARTON / 6 TABLET, FILM COATED in 1 BLISTER PACK · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
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 →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Is this a "specialty" drug?
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program · Opioid Analgesic REMS Shared System REMS
Regulatory
- Application
- M012
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of acetaminophen, guaifenesin, phenylephrine hcl caplet, film-coated (Tablet, Film Coated)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Lil' Drug Store products, Inc. | ACETAMINOPHEN 325 mg/1; GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Lil' Drug Store products, Inc. | GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1; ACETAMINOPHEN 325 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Lil' Drug Store Products, Inc. | ACETAMINOPHEN 325 mg/1; GUAIFENESIN 200 mg/1; PHENYLEPHRINE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Lil' Drug Store products, Inc. | GUAIFENESIN 325 mg/1; PHENYLEPHRINE HYDROCHLORIDE 200 mg/1; ACETAMINOPHEN 5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Sinus Relief, Caseys 4good — NDC 66715-6332-03," retrieved September 3, 2026, https://drugdashboards.com/drug/66715633203.
Free to cite with attribution — see how the data is put together.