The short version
Just 3 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.
CVS Health Extra Strength Antacid and Pain Reliever
Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate · ANHYDROUS CITRIC ACID 1000 mg/1; SODIUM BICARBONATE 1985 mg/1; ASPIRIN 500 mg/1 · Tablet, Effervescent · Oral · CVS Pharmacy
NDC 69842-0542-36 · 18 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 anhydrous citric acid, aspirin, and 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, Anhydrous Citric Acid, Sodium Bicarbonate (Tablet, Effervescent)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Chain Drug Marketing Association | SODIUM BICARBONATE 1985 mg/1; ASPIRIN 500 mg/1; ANHYDROUS CITRIC ACID 1000 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Chain Drug Marketing Association | ASPIRIN 500 mg/1; ANHYDROUS CITRIC ACID 1000 mg/1; SODIUM BICARBONATE 1985 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| CVS Pharmacy | ANHYDROUS CITRIC ACID 1000 mg/1; SODIUM BICARBONATE 1985 mg/1; ASPIRIN 500 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Meijer Distribution Inc | ASPIRIN 325 mg/1; SODIUM BICARBONATE 1916 mg/1; ANHYDROUS CITRIC ACID 1000 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Chain Drug Marketing Association | ASPIRIN 1000 mg/1; ANHYDROUS CITRIC ACID 500 mg/1; SODIUM BICARBONATE 1985 mg/1 | Aug 7, 2026 | Aug 21, 2026 |
| Chain Drug Marketing Association | SODIUM BICARBONATE 1000 mg/1; ASPIRIN 500 mg/1; ANHYDROUS CITRIC ACID 1985 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| CVS Pharmacy | ANHYDROUS CITRIC ACID 1000 mg/1; SODIUM BICARBONATE 500 mg/1; ASPIRIN 1985 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Chain Drug Marketing Association | ANHYDROUS CITRIC ACID 1000 mg/1; ASPIRIN 500 mg/1; SODIUM BICARBONATE 1985 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| CVS Pharmacy | ANHYDROUS CITRIC ACID 1000 mg/1; ASPIRIN 500 mg/1; SODIUM BICARBONATE 1985 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, "CVS Health Extra Strength Antacid and Pain Reliever — NDC 69842-0542-36," retrieved September 3, 2026, https://drugdashboards.com/drug/69842054236.
Free to cite with attribution — see how the data is put together.