My Dogs Belly Looks Very Big, Abnormally Big. What Could It Be?

Does your dog seem to be in discomfort?  How long has it appeared this way?  It could be a bowel obstruction or gas that causes your dog's tummy to swell.  If female, could be pregnancy.  There are other possibilities (disease) that can cause this appearance.  Best to check with vet if dog seems uncomfortable and/or if the condition continues.

"My dog has had dry nose for several days and now has no appetite nor when he drinks water hes vomiting foam and does not have desire to walk"

Take it to a vet immediately. If your dog is vomiting and clearly sick, you should not be on an online forum - you should be getting in the car and headed to the vet!

My dog has had dry nose for several days and now has no appetite nor when he drinks water hes vomiting foam and does not have desire to walk