Contacts

Message to patients and family
In case of urgent medical inquiry, please consult with your primary care hospital.
For all other inquiries concerning our products, please contact with Eisai hhc hotline to which we trust the marketing of our products.

Message to Medical experts
For all inquiries concerning our products, please contact with Eisai hhc hotline to which we trust the marketing of our products.

Complaints window about sales Information provision activities for ethical drugs
Phone: 03-5319-3386
Monday – Friday, 8:30 – 17:10
(excluding weekends, holidays, and company holidays)

Other questions
Our contact information is as follows