# Ethosuximide Powder 50% (エピレオプチマル散５０％)

> Prescription product approved in Japan and listed on the NHI drug price list (YJ code 1139001B1031). Nifuji Pharma sources it for licensed healthcare providers, institutions, and distributors; availability, documentation, and export eligibility are confirmed on inquiry.

- **YJ code:** 1139001B1031
- **Product name (Japanese):** エピレオプチマル散５０％
- **English title:** Ethosuximide Powder 50%
- **Active ingredient:** エトスクシミド
- **Active ingredient (INN):** Ethosuximide
- **Strength / unit:** ５０％１ｇ
- **Route:** Oral (内用薬)
- **Therapeutic category:** 11 Central nervous system agents (中枢神経系用薬) › 113 Antiepileptics (抗てんかん剤)
- **Manufacturer:** Eisai (エーザイ)
- **NHI price (reference only):** JPY 20.8 per ５０％１ｇ
- **Regulatory status:** Approved in Japan; listed on the NHI drug price list
- **Web page:** https://www.nifujipharma.com/drugs/1139001B1031
- **JSON:** https://www.nifujipharma.com/api/drugs/1139001B1031

## How to request a quotation

Submit the contact form with the product name, quantity, and destination country: https://www.nifujipharma.com/?product=Ethosuximide%20Powder%2050%25%20(%E3%82%A8%E3%83%94%E3%83%AC%E3%82%AA%E3%83%97%E3%83%81%E3%83%9E%E3%83%AB%E6%95%A3%EF%BC%95%EF%BC%90%EF%BC%85)%20%2F%20YJ%201139001B1031#contact

Quotes are for qualified business customers only (licensed healthcare providers, medical institutions, distributors). Payment is by bank transfer in Japanese Yen. Product collection typically takes 2-4 weeks after order confirmation, followed by export procedures and shipping.

## Other listed products with Ethosuximide

- [Ethosuximide Syrup 5% (ザロンチンシロップ５％)](https://www.nifujipharma.com/drugs/1139001Q1042) — ５％１ｍＬ, Pfizer Japan