Well, there has to be some kind of crisis intervention plan or some non-emergency inpatient programme, so you can get your head on straight before facing that situation again. But until you can find something like that, I'd suggest a good set of headphones & some music. Whether you're in your room, taking a bath, whatever. You can totally tune them out until you can prepare yourself to face interacting with them. I get the same way, as I'm an isolationist myself. I used to live in a house with 8+ other people for 2 years, full of drama & ********. But I got out of it just fine by ample doses of meditation & distraction. I liked to spend a lot of time on the driveway, drinking a coffee & listening to the quiet cacophany of outdoors.