Prolapse Irritated

I suspect I have a pelvic prolapse that suddenly has gotten worse. I can’t be seen by a urogynecologist for another month, but my underwear seems to be irritating it. Kind of feels like a tampon is half in, half out? Anyways, is there anything I can do to keep friction down? I definitely don’t want to add an infection or sores to this situation… and yes, I do wear cotton underwear only.