Contact Us


Contact Us

For help with specific enquiries about Cystopurin, please contact us by any of the options below:

By mail:
Consumer Health
Bayer plc
400 South Oak Way
Green Park
By email:
By phone:
0118 206 3232

Reporting adverse events or side effect
Adverse events should be reported. Reporting forms and information can be found at
Adverse events should also be reported to Bayer Plc (Tel: 0118 206 3000 – E-mail:

You may also wish to discuss any adverse events (including side effects) that you are experiencing with your healthcare professional (e.g. nurse, GP, pharmacist) or call NHS Direct.

If you want to report a quality complaint
Please report any quality complaint to Bayer Plc (E-mail: