Phenobarbital · PHENOBARBITAL 20 mg/5mL · Elixir · Oral · Trigen Laboratories, LLC
NDC 13811-0299-08 · 473 mL in 1 BOTTLE, PLASTIC · UNAPPROVED DRUG OTHER · View full market →
4 companies supply this market — a reasonable cushion if one runs into trouble. The price has held steady around $0.0421 per mL over the past year. Put together: this looks like a healthy supply — the boring kind, which is exactly what you want.
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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 →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 |
|---|---|---|---|
| American Health Packaging | PHENOBARBITAL 20 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Strides Pharma Science Limited | PHENOBARBITAL 20 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Trigen Laboratories, LLC | PHENOBARBITAL 20 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Westminster Pharmaceuticals, LLC | PHENOBARBITAL 20 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Phenobarbital — NDC 13811-0299-08," retrieved September 3, 2026, https://drugdashboards.com/drug/13811029908.
Free to cite with attribution — see how the data is put together.