Herceptin and skin rash

I am nearly at the end of my course of herceptin in addition to flakey white nails I have a skin rash on my ankle  spreading to upper foot that sometimes drives me mad itching this usually happens at night! I have tried a whole cocktail of creams and ointments but nothing seems to sooth it! Has anyone else experienced this?

I haven’t…did you talk to a pharmacist ?The only thing I can think of is a dressing impregnated with zink.We call them PB7 dressings,cut a square and the apply a light bandage…Hugs.