This was in the UK so no doubt the overstretched NHS didn't have room for in-patient therapy and jumped at the chance to send someone home with a topical treatment.  doctors at Nottingham's Queen's Medical Center  I also saw this https://metro.co.uk/2018/07/19/womans-leg-amputated-cut-shaving-7734799/ story about it.  Tanya, of Breaston, Derbyshire