The short version
10 companies supply this market — deep enough that no single failure threatens the supply.
Market view
felbamate · Powder
19 marketed package NDCs · 10 active manufacturers
Most dispensed: 600 mg/5mL · Suspension · #473 mL/bottle · 400 mg · Tablet · #100 tablets/bottle · 600 mg · Tablet · #100 tablets/bottle · 600 mg/5mL · Suspension · #237 mL/bottle
What changed in the last 90 days
Every detected change for felbamate, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
- FelbamateAug 19, 2026Price downNADAC $1.11105 → $1.01413 per unit (-8.72%)
- FelbamateAug 19, 2026Price downNADAC $1.11105 → $1.01413 per unit (-8.72%)
- FelbamateAug 19, 2026Price upNADAC $0.6785 → $0.72652 per unit (+7.08%)
- FelbamateAug 19, 2026Price upNADAC $0.6785 → $0.72652 per unit (+7.08%)
- FelbamateAug 19, 2026Price upNADAC $0.32636 → $0.33516 per unit (+2.7%)
- FelbamateAug 19, 2026Price downNADAC $1.11105 → $1.01413 per unit (-8.72%)
- FelbamateAug 19, 2026Price downNADAC $1.11105 → $1.01413 per unit (-8.72%)
- FelbamateAug 19, 2026Price upNADAC $0.6785 → $0.72652 per unit (+7.08%)
- FelbamateAug 19, 2026Price downNADAC $1.11105 → $1.01413 per unit (-8.72%)
- FelbamateAug 19, 2026Price upNADAC $0.6785 → $0.72652 per unit (+7.08%)
Same drug class
Other molecules FDA puts in Anti-epileptic Agent, with whether each is in shortage right now. Same class is not the same drug — substitution is a clinical decision, and this is a supply picture, not a recommendation.
- valproate sodium· in shortage
- divalproex sodium d/r· 1 maker
- divalproex sodium er· 1 maker
- lamotirigine· 1 maker
- lamotrigine chewable dispersible· 1 maker
- lamotrigine extended release· 1 maker
- lamotrigine er· 2 makers
- methsuximide· 3 makers
- extended phenytoin sodium· 4 makers
- lamotrigine extended-release· 4 makers
- tiagabine hydrochloride· 6 makers
- fosphenytoin sodium· 12 makers
Common questions
- Is Felbamate in shortage right now?
- No. FDA does not currently list Felbamate 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 Felbamate?
- 20 companies have marketed Felbamate in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.
- What does Felbamate cost?
- The typical pharmacy pays about $1.01 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.