I know it is probably a bad idea to respond and it would probably take something really terrible for me to bring it up (and I would go talk to her in person in that case). It just seems like a strange situation to me. Obviously she is discussing me, and in a public area where I can see. She could have blocked me from it, but she didn't. I was wondering to myself if it would be rude for me to respond outside of the drama issues, and I thought I would ask here.
This is in a dorm apartment, so switching roommates is tough. I actually consider her a good roomate when she isn't being like this, and while it is frustrating who she could be replaced with could be worse. This should be cleared up by tomorrow. Once she is no longer sick and I can explain she heard me wrong and misinterpreted my frustration, it should be fine.