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.
Bromo Seltzer
Aspirin, Sodium Bicarbonate, Citric Acid · SODIUM BICARBONATE 1916 mg/1; ANHYDROUS CITRIC ACID 1000 mg/1; ASPIRIN 325 mg/1 · Tablet, Effervescent · Oral · Tower Laboratories Ltd
NDC 50201-0421-02 · 10 POUCH in 1 CARTON / 2 TABLET, EFFERVESCENT in 1 POUCH · 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.
90-day shortage risk (model v2)
0.1%chance of a new FDA shortage posting for aspirin, citric acid, sodium bicarbonate (oral solid) in the next 90 days
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 →
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
- M013
- 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 Aspirin, Sodium Bicarbonate, Citric Acid (Tablet, Effervescent)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Tower Laboratories Ltd | SODIUM BICARBONATE 1916 mg/1; ANHYDROUS CITRIC ACID 1000 mg/1; ASPIRIN 325 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Tower Laboratories Ltd | SODIUM BICARBONATE 1000 mg/1; ANHYDROUS CITRIC ACID 325 mg/1; ASPIRIN 1916 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Tower Laboratories Ltd | ANHYDROUS CITRIC ACID 1000 mg/1; ASPIRIN 325 mg/1; SODIUM BICARBONATE 1916 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Bromo Seltzer — NDC 50201-0421-02," retrieved September 3, 2026, https://drugdashboards.com/drug/50201042102.
Free to cite with attribution — see how the data is put together.