Please contact us using the following form.

Items that are marked with a red star (*) are mandatory.

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Head Office:

Diurnal Limited
Cardiff Medicentre
Heath Park
Cardiff, CF14 4UJ
United Kingdom

For general enquires: 

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