sildenafil citrate · SILDENAFIL CITRATE 100 mg/1 · Tablet, Film Coated · Oral · Viatris Specialty LLC
NDC 58151-0428-01 · 100 TABLET, FILM COATED in 1 BOTTLE · NDA · View full market →
5 companies supply this market — a reasonable cushion if one runs into trouble. Generic versions run $0.1220 per unit — 686× cheaper. Put together: this looks like a healthy supply — the boring kind, which is exactly what you want.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
The same NDC has different prices depending on who is paying. Units differ between rungs — compare within a rung over time, not rung against rung, unless the units match.
Each rung is the newest figure for this NDC from one federal price system, shown with its own unit. Part D is matched by drug name because CMS publishes no NDCs there; it is gross spending, before confidential rebates.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →Estimates: latest NADAC unit price × quantity. Pharmacy acquisition cost only — excludes dispensing fees, markup, and insurance terms.
Some pressure is visible, but not much — here’s everything the score found to count.
The score counts pressure that is already visible — fewer makers, shortages, recalls, falling prices. 0 means none of it; 100 means all of it at once. Recomputed daily · as of Sep 3, 2026
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 |
|---|---|---|---|
| Mylan Pharmaceuticals Inc. | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Mylan Pharmaceuticals Inc. | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Mylan Pharmaceuticals Inc. | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| NuCare Pharmaceuticals, Inc. | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Pfizer Laboratories Div Pfizer Inc | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Pfizer Laboratories Div Pfizer Inc | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Pfizer Laboratories Div Pfizer Inc | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Pfizer Laboratories Div Pfizer Inc | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Umedica Laboratories USA Inc. | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Umedica Laboratories USA Inc. | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Viatris Specialty LLC | SILDENAFIL CITRATE 50 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Viatris Specialty LLC | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Viatris Specialty LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Viatris Specialty LLC | SILDENAFIL CITRATE 25 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Umedica Laboratories USA Inc. | SILDENAFIL CITRATE 100 mg/1 | Jul 15, 2026 | Aug 28, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | SILDENAFIL CITRATE 20 mg/1 | Jul 15, 2026 | Jul 22, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Viagra — NDC 58151-0428-01," retrieved September 3, 2026, https://drugdashboards.com/drug/58151042801.
Free to cite with attribution — see how the data is put together.