The short version
4 companies supply this market — a reasonable cushion if one runs into trouble.
Market view
perampanel · Suspension
4 marketed package NDCs · 4 active manufacturers
Most dispensed: .5 mg/mL · Suspension · #340 mL/bottle · 12 mg · Tablet · #30 tablets/bottle · 6 mg · Tablet · #30 tablets/bottle · 2 mg · Tablet · #30 tablets/bottle
Price range and competition
RSS: changes for this drugpriced separately — they are not the same market
Generic products only. Every 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 $3.96 · middle half $3.96–$3.96 · full range $3.96–$3.96 · 2 products · 4 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 perampanel, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
- PerampanelAug 19, 2026Price downNADAC $17.29257 → $15.52434 per unit (-10.23%)
- PerampanelAug 19, 2026Price downNADAC $18.79276 → $17.50304 per unit (-6.86%)
- PerampanelAug 19, 2026Price upNADAC $19.12435 → $19.33055 per unit (+1.08%)
- PerampanelAug 19, 2026Price upNADAC $15.25974 → $16.39239 per unit (+7.42%)
- PerampanelAug 19, 2026Price downNADAC $16.10345 → $15.42392 per unit (-4.22%)
- PerampanelAug 19, 2026Price downNADAC $7.27016 → $6.62272 per unit (-8.91%)
- PerampanelAug 19, 2026Price downNADAC $3.99447 → $3.96309 per unit (-0.79%)
- FycompaAug 19, 2026Price downNADAC $4.46326 → $4.45871 per unit (-0.1%)
- FycompaAug 19, 2026Price downNADAC $39.13492 → $39.07764 per unit (-0.15%)
- FycompaAug 19, 2026Price upNADAC $39.09028 → $39.09774 per unit (+0.02%)
Common questions
- Is Perampanel in shortage right now?
- No. FDA does not currently list Perampanel 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 Perampanel?
- 12 companies have marketed Perampanel in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.
- What does Perampanel cost?
- The typical pharmacy pays about $17.50 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.
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.