Wednesday, July 8, 2026

Drug profile · INN

ethosuximide

ethosuximide (ZARONTIN) is a voltage-gated t-type calcium channel blocker. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

FDA: approved TGA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — ethosuximide
US status
approved
Class
Route
ORAL
Patents
0
Programs
0
Data quality
0.89

Quick answer

ethosuximide (ZARONTIN) is a voltage-gated t-type calcium channel blocker. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN ethosuximide
Brand ZARONTIN
Mechanism Voltage-gated T-type calcium channel blocker
Target Voltage-gated T-type calcium channel
Route ORAL
Formulation CAPSULE

Mechanism of action

Voltage-gated T-type calcium channel blocker

Primary target: Voltage-gated T-type calcium channel

Approval history

Authority Status Date
FDA approved
TGA approved

Related & competitor drugs

  1. methsuximide Voltage-gated T-type calcium channel blocker
  2. paramethadione Voltage-gated T-type calcium channel blocker
  3. phensuximide Voltage-gated T-type calcium channel blocker
  4. trimethadione Voltage-gated T-type calcium channel blocker

Frequently asked questions

What is ethosuximide?

ethosuximide (ZARONTIN) is a voltage-gated t-type calcium channel blocker. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for ethosuximide?

ZARONTIN is a marketed brand name for ethosuximide. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of ethosuximide?

ethosuximide has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.