PillRx only · Solution · Oral
Ethosuximide
Brands: Zarontin · Ethosuximide
5 ACTIVE SUPPLIERS — US
openFDA · updated weekly
US5 NDCs
5 active makers
5 active makers
UKComing
soon
soon
CAComing
soon
soon
AUComing
soon
soon
EUComing
soon
soon
ATC—
RxCUI (US)—
US makers5 labelers
Packages6
DEA / ScheduleNone
US acquisition costNADAC · per unit
Average across 2 priced NDCs. A benchmark of pharmacy acquisition cost — not a retail quote.
$0.089
Latest avg · Jun 17, 2026
-6%
Since Dec 17, 2025
5
Active US suppliers
50%
Top-2 supplier share*
Who makes it5 active · 0 exited
US labelers as registered with FDA. Repackagers relabel another company's product; share* is of listed packages, not sales.
| Labeler | Type | Packages | Status |
|---|---|---|---|
| Mylan Pharmaceuticals Inc. | unknown | 2 | SUPPLYING |
| Parke-Davis Div of Pfizer Inc | unknown | 1 | SUPPLYING |
| PAI Holdings, LLC dba PAI Pharma | unknown | 1 | SUPPLYING |
| Chartwell RX, LLC | unknown | 1 | SUPPLYING |
| Chartwell Governmental & Specialty RX, LLC. | unknown | 1 | SUPPLYING |
Regulatory & supply events
No recalls, shortages, or registration changes on record for this drug concept.