My rabbit YangYang has a brown wet spot on her chin. I noticed it yesterday night (10/12) and thought it was dry this morning but when I got back from class it was worse. The two pictures I added are from today (10/13). I am a fist time bunny owner and don’t know what to do. I’m trying to get her a vet appointment ASAP but most vets around me are backed up and I wanna know if there is anything I can do to help her in the meantime.