If you were talking about the genial/anal area, besides the above try soaking in a bath. Add drops of any of this you have... eucalyptus oil, peppermint oil, gse, oregano oil, thyme oil, Pau D'Arco. You don't need them all, just use what you have.
If you don't have any of these, try looking for bath products that contain them. I have some Epsom Salts with eucalyptus and pepperment oil already in them. It works quite well.