How do dogs get gastric torsion?
Causes. Gastric dilatation volvulus in dogs is likely caused by a multitude of factors, but in all cases the immediate prerequisite is a dysfunction of the sphincter between the esophagus and stomach and an obstruction of outflow through the pylorus.
Is it possible that my dog is trying to vomit?
To prevent this from happening you have to accustom him to eat little by little and to respect the breaks after each meal. In addition to the case of the gastric torsion, it is possible that your dog is not trying to vomit, but really trying to move the muscles of his throat to spit something that has stuck in it.

What does it mean when a dog is gagging but not throwing up?
Coughing When a dog is gagging but not throwing up, this is called retching. In other words, an unsuccessful attempt at vomiting (or vomiting without results). It’s important to observe your dog carefully to see if they are retching or if they are merely coughing.
What causes a dog to throw up clear liquid?

A dog vomiting clear liquid usually indicates the beginning of the vomiting process. Moreover, this type of vomit occurs when: He has eaten foreign material. He has eaten grass.
What should I do if my dog keeps throwing up?
Prevent the vomiting with appropriate medication (with the veterinary recommendation) Replenish the liquids and minerals that have been lost, with water or serum. If the dog presents more than one isolated event of vomit, it is necessary to go to the veterinarian in the following 24 hours.
When does a dog vomit without retching or nausea?
Dogs regurgitate without nausea or retching. It occurs when they eat too much food or they have consumed too much water. An easy way to distinguish vomiting from regurgitation is by looking at the content that was thrown up.
Coughing When a dog is gagging but not throwing up, this is called retching. In other words, an unsuccessful attempt at vomiting (or vomiting without results). It’s important to observe your dog carefully to see if they are retching or if they are merely coughing.
What does it mean when a dog vomits mucus?
When your furry friend is suffering from stomach issues, it results in drooling which forms clear mucus. A dog vomiting clear liquid usually indicates the beginning of the vomiting process. Moreover, this type of vomit occurs when: He has eaten foreign material.
What should I do if my dog keeps vomiting?
If your vet feels it is necessary, she will run any additional tests, such as blood work, ultrasounds, x-rays, endoscopic evaluations, biopsies, and urine tests. Once your vet determines the cause of your dog’s vomiting, she will tailor a treatment plan based on the cause and your dog’s condition.