01-02-2016, 12:39 PM
Join Date: Jun 2013
Location: Ontario, Canada
Mentioned: 278 Post(s)
Tagged: 0 Thread(s)
I would guess the dog wasn't socialized very well or just happens to be a single person dog. Your best bet is to hole up in your room and not interact or to find a new place to live if they don't crate him or keep him out of communal spaces. It's not just because you may get bit, either-a dog that has a bite history ends up having lots of other problems and its much harder to deal with after the fact than prevention. You could always hire a trainer if your friend is okay with you doing so-but finding a vet behaviourist that is trustworthy isn't as straightforward as it seems anymore.
In the meantime, stay away. Do not respond physically or escalate the situation-you would only end up making it worse for next time, or immediately. Buy baby gates if you want to keep your door open but not have the dog have access. You can do a ton of management so you don't have to deal with the dog if your friend is a good friend and willing to try.
Also, once a dog has bitten (as you mentioned in your last line, sorry) people on this forum are unable to give you advice, so take that with a grain of salt. Go see a behaviourist. This is not a problem that just goes away. Since its not your dog, if you don't want to deal with it you can leave-but your friend should bring the dog to a behaviourist regardless.