excercise after diathermy

Hey ladies 

so i had my diathermy  last week and have been told to wait 4 days to excercise,  however  everything  online suggests  4 weeks.


I am running the Manchester  10k raising money for Jo's  trust and really need to train. Its in 3 weeks


most bleeding gas stopped and just passing some black liquid which i assume is iodone solution they apply


Any advice much appreciated