Well I went to the GP and after examination there is no re-infection and it's still healing normally, although I have been ask to cut back on the walking as it is quite red and inflamed.
He has prescribed Flucloxacillin and I have to go back if there is still discharge in a couple of weeks.
My blood pressure was on the high side, so he gave me a leaflet on hypertension, but as this isn't usual I think I was just worried about the outcome of the examination, which was done after the BP test.
He also said sitz baths twice a day would help, but I have been doing this anyway, although just once a day.
Quite relieved, but I need to take the advice