Get a 16 0z container of Balmex
. Its for baby rash, so look in the baby products section of the drug store. Slather it on and keep the affected areas covered in it until the problem is over. Its the zinc oxide that does the trick. Its thick and creamey and not too messy to use. It should help you get through this uncomfortable time which won't last forever.
This worked for me and I'm sure it'll work for you. Good luck.