Drugs · acquisition-cost intelligence
phenobarbital
· ingredient phenobarbital· PHENOBARBITAL 100 mg/1; PHENOBARBITAL 15 mg/1; PHENOBARBITAL 16.2 mg/1; PHENOBARBITAL 30 mg/1
What this is. Acquisition-cost intelligence for pharmacy & clinic buyers — the historical trend, generic-equivalent costs, and Part D posture. NADAC is a pharmacy acquisition cost (the national average pharmacies pay), not a retail or cash price — for consumer cash prices use GoodRx/your plan.
Acquisition benchmark · NADAC per EA
$0.13558
NADAC — pharmacy acquisition cost, not a retail/cash price
Acquisition-cost history
Weekly NADAC per EA — the trend nobody else shows. 7 weeks.
2025-12-172026-05-20
Same-ingredient options by acquisition cost
Other phenobarbital products, cheapest acquisition cost first. Per EA — confirm strength/form equivalence before switching.
| Product | NADAC / EA | vs this |
|---|---|---|
| Phenobarbital Oral Solution | $0.04063 | −$0.09500 |
| phenobarbital | $0.08278 | −$0.05280 |
| phenobarbital | $0.08278 | −$0.05280 |
Medicare Part D coverage · CY2026
On 328 plan formularies · typical tier 2
Prior auth 48% · Step therapy 0% · Quantity limit 37% of formularies
Sources: CMS NADAC (pharmacy acquisition cost), FDA NDC + RxNorm (identity), RxClass (therapeutic class), CMS Medicare Part D formulary (coverage). Observed reference data for professional buyers — not a retail/cash price, not pricing or medical advice. Verify before purchasing or substituting.