Contact us

If you have any general questions about Otsuka Pharmaceuticals (U.K.) Ltd. or the work we do, please get in touch with us via the contact details below: Otsuka Pharmaceuticals (U.K.) Ltd.
2 Windsor Dials,
Arthur Road,
Windsor,
Berkshire,
SL4 1RS
United Kingdom Telephone: 0203 747 5300

Medical Information and Side Effect Reporting

If you have a medical enquiry about one of our medicines, please click here. If you are seeking to report side effects/adverse events, please click here.

Otsuka Speak Up

Click here to access Otsuka’s Speak Up page for more information. Concerns can be raised by completing a form available on the online platform or by calling the hotline.