The short version
9 companies supply this market — a reasonable cushion if one runs into trouble. The price has fallen 35% in a year, to $0.0971 per unit — and generics that get this cheap tend to get abandoned rather than defended.
Market view
phenobarbital · Tablet
300+ marketed package NDCs · 9 active manufacturers
Most dispensed: 32.4 mg · Tablet · #100 tablets/bottle, plastic · 30 mg · Tablet · #100 tablets/bottle · 100 mg · Tablet · #100 tablets/bottle · 60 mg · Tablet · #100 tablets/bottle
Price range and competition
RSS: changes for this drugEvery company selling this drug reports its own price. The line follows the middle of the pack; the shaded band holds the middle half of companies — the wider it is, the more they disagree.
Latest · Sep 2026 — typical price $0.0971 · middle half $0.0732–$0.1822 · full range $0.0495–$0.2472 · 105 products · 19 companies
ⓘ How this was built
Data sources
- CMS NADAC weekly survey + monthly archives back to 2013 (data.medicaid.gov)
- CMS Federal Upper Limit files (weighted AMP)
- FDA NDC Directory (openFDA) — maker roster
Method
Each month's band spans the NADAC unit prices of every NDC of this drug (min, quartiles, median, max), split into brand and generic cohorts by FDA marketing category. Maker counts come from distinct labelers with the NDC actively listed.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
What changed in the last 90 days
Every detected change for phenobarbital, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 28, 2026New productChartwell RX, LLC
- PhenobarbitalAug 19, 2026Price upNADAC $0.23665 → $0.24718 per unit (+4.45%)
- PhenobarbitalAug 19, 2026Price upNADAC $0.23665 → $0.24718 per unit (+4.45%)
Common questions
- Is Phenobarbital in shortage right now?
- No. FDA does not currently list Phenobarbital in shortage. This page is rebuilt every morning from FDA's shortage database, so a new posting appears here the day it is published.
- Who makes Phenobarbital?
- 32 companies have marketed Phenobarbital in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.
- What does Phenobarbital cost?
- The typical pharmacy pays about $0.0971 per unit, based on the most recent CMS NADAC survey of actual acquisition costs. That is what the pharmacy pays for the drug itself — not the cash price, and not what an insurer is billed.
Shortage reports for this molecule
- Planned discontinuation — Phenobarbital, Tablet, 16.2 mg (NDC 0603-5165-21)Oct 31, 2025
- Planned discontinuation — Phenobarbital, Tablet, 32.4 mg (NDC 0603-5166-21)Oct 31, 2025
- Planned discontinuation — Phenobarbital, Tablet, 64.8 mg (NDC 0603-5167-21)Oct 31, 2025
- Planned discontinuation — Phenobarbital, Tablet, 97.2 mg (NDC 0603-5168-21)Oct 31, 2025
All marketed products
Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.