http://www.nhs.uk/Conditions/Cellulitis/Pages/Causes nhs.uk http://www.nhs.uk/Conditions/Cellulitis/Pages/Causes.aspx NHS Choices, Cellulitis Causes, August 15, 2014 http://www.nhs.uk/Conditions/Cellulitis/Pages/Causes.aspx recurrent cellulitis cellulitis