Hi, I know this is a strange one but I have a 12 yo whippet who has over the last week or so became so dizzy (i am assuming) that she now cant stand up alone. We have an appointment for the vets in the morning but since she has been in the family for such a long time I am worrying, does anyone know of this. All advise welcome, even if its bad. She did have a nasty bump to the head about 6 months ago. Thanks