im really worried about my rat milo. despite the name she is a she. about 12 hours ago i was holding her and she went to get back in the cage and kind of stumblled off my hand and fell about four inches off my hand into the cage. she landed funny, kind of on her side/neck. she then went up to her sleeping box and just laid there. she then moved to the bottom of the cage and has stayed there for the last ten hours or so. she seems really swollen too. shes eating and is fine when picked up. im just worried because she is usually so active and vibrant and now she just doesnt want to move.