Eisai Laboratorios, S. de R.L. de C.V.
"Corporativo Punto Polanco"
Lago Alberto 319 , 5th Floor : Int 501A
Col. Granada, DelegaciĆ³n Miguel Hidalgo
11520 , CDMX
Telephone: +52 55 4169 7580

Americas Headquarters
Eisai Inc.
100 Tice Blvd,
Woodcliff Lake, N.J. 07677
United States

Worldwide Headquarters
Eisai Co., Ltd.
4-6-10 Koishikawa
Bunkyo-ku, Tokio 112-8088


At Eisai we are interested in the safety of patients and consumers.

If you require additional information about our products, please contact us at the email

To report an adverse event or side effects, contact us at the email

You can also contact us at:

Phone / Fax: 01-800-ATN-EISAI (01-800-282-34724)
Hours: Monday to Friday from 8:00 to 17 hr.