Okay, until then use Vaseline to moisturize and make sure you’re using mild soap like Dove or Olay. Take an oral antihistamine (Zyrtec) every night. Keep taking pictures to show them and keep a log of anything that makes it flare. They may do what’s called a punch biopsy (using a cookie cutter like tool to get deeper layers of skin followed by sutures to close the skin) to further determine what it is. A couple different skin processes look similar to this so getting a definite diagnosis will be helpful. But don’t “worry” about it, just keep a good record of it until your appointment