Thank you all of you for your encouragement! I am happy to report that Bentley is better this morning! We just got back from another vet visit and his temp is down (102 now) and he was able to walk a little bit today!! I was so happy I just hugged him and cried my eyes out. He still falls on his butt tho, and he is still very weak and wobbly in the hind end, but he is now wagging his tail and more alert and he actually walked a few steps!! We are thinking it may be tick paralysis, so we are definitely continuing the doxycycline, but so far today we have not needed any pain meds.