no
There are many things that could be causing a rash on your dog's stomach. If it is a small area, try using some cortisone cream. You should really take the dog to the vet because you don't know what it is and the dog could be getting sick from it.
Dogs do not get a "stomach virus" flu like people do so, if your dog is having vomiting and/or diarrhea, there is some other reason. Your dog needs to see his/her Veterinarian.
There are many reasons why your dog could have stomach swelling. Your dog could have a twisted stomach for example.
Yes, have you seen a small black bug on your dog lately?
No they can get gas just like people.
Any size of dog can swallow bones. Do not feed your dog bones, can pierce the stomach or intestines and not pass through. Better to purchase something like Nylabones which are very safe for a dog and fun for them to chew on.
No
No, a dog's stomach does not get smaller after a false pregnancy. It remains the same.
The risk i sthat your dog will get lacerationsand or lesions that could cause him to bleed out or become septic and die. Or that your dog will become fully obstructed and have his colon or stomach blow out.
in its stomach
If you see a big black dog with a bug on its back, it's best to avoid approaching the dog and instead notify the dog's owner or a local animal control agency. The bug may be a tick or other parasite that could harm the dog, so it's important to ensure the dog receives proper care and treatment.
Have you seen your dog showing signs of discomfort or irritation because of a small bug on them?