The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
Market view
tiagabine hydrochloride · Powder
2 marketed package NDCs · 2 active manufacturers
Most dispensed: 2 mg · Tablet, Film Coated · #30 tablet, film coateds/bottle · 4 mg · Tablet, Film Coated · #30 tablet, film coateds/bottle · 16 mg · Tablet · #30 tablets/bottle · 4 mg · Tablet · #30 tablets/bottle
What changed in the last 90 days
Every detected change for tiagabine hydrochloride, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
- Tiagabine HydrochlorideAug 19, 2026Price upNADAC $2.12317 → $2.27342 per unit (+7.08%)
- Tiagabine HydrochlorideAug 19, 2026Price downNADAC $2.41579 → $2.41242 per unit (-0.14%)
- Tiagabine HydrochlorideAug 19, 2026Price upNADAC $2.12317 → $2.27342 per unit (+7.08%)
- Tiagabine HydrochlorideAug 19, 2026Price downNADAC $2.41579 → $2.41242 per unit (-0.14%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $2.06311 → $2.12317 per unit (+2.91%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $2.20556 → $2.41579 per unit (+9.53%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $2.20556 → $2.41579 per unit (+9.53%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $6.02347 → $6.63987 per unit (+10.23%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $2.06311 → $2.12317 per unit (+2.91%)
- Tiagabine HydrochlorideJul 22, 2026Price upNADAC $6.02347 → $6.63987 per unit (+10.23%)
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
- fosphenytoin sodium· 12 makers
- ethosuximide· 13 makers
Common questions
- Is Tiagabine hydrochloride in shortage right now?
- No. FDA does not currently list Tiagabine hydrochloride 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 Tiagabine hydrochloride?
- 6 companies have marketed Tiagabine hydrochloride in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.
- What does Tiagabine hydrochloride cost?
- The typical pharmacy pays about $2.41 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.