Contact us

Head office

Diurnal Limited,

Cardiff Medicentre,

Heath Park,

Cardiff, CF14 4UJ,

United Kingdom

For general enquiries:

To contact us by telephone, dial

+44 (0) 29 2068 2069

For side effects:

If you have a concern about or have experienced side effects with a Diurnal medicine please report these to our medical information service on or

+44 (0) 7917 334899.

Adverse events can also be reported through the Yellow Card scheme that can be found at

Please contact us using the following form.
Items that are marked with a star (*) are mandatory.

Diurnal Limited (Company Number: 05237326) is registered in England & Wales. Registered office: Cardiff Medicentre, Heath Park, Cardiff CF14 4UJ, UK.