Phone Eisei on this contact number 0845 676 1400 (for 7p per minute + operator access charge) – here, enquiries regarding pharmaceutical products and medicines are answered.

You can also post a letter concerning Eisei’s medicines directly to their UK head office: Eisai Limited, European Knowledge Centre, Mosquito Way, Hatfield, Hertfordshire, AL10 9SN.

Eizo is a Japanese pharmaceutical company which manufactures numerous drugs to assist with preventing seizures and relieving pain. Every year the company invests millions in researching better, more effective medicines that help relieve symptoms of acute and chronic health conditions.