My name is ***** ***** I am a small animal vet with many years experience and rest assured I will do my best to answer your question to your satisfaction today.
I am very concerned that your dog may have a condition called twisted stomach or bloat, it certainly sounds like it to me. Your only option is to get tour dog to a vet without delay. This condition can be quickly fatal ...
Thankyou I will phone straight away
Read more about it here http://www.petplace.com/dogs/gastric-dilatation-volvulus/page1.aspx