Seeing your dog vomit blood is enough to alarm anyone. The term for this is is hematemesis, and there are a number of causes. While some of the causes are temporary, others may involve chronic issues. If your dog begins vomiting blood, take him to a veterinarian as soon as possible; only a vet can diagnosis the reason and prescribe treatment. Any situation in which a dog vomits blood indicates a serious issue and should be dealt with immediately.
-
Sharp Objects
-
If your dog is vomiting up blood, he may have swallowed a sharp object. If this is the case, the object could have cut his throat or injured an internal organ. See your vet to have the object removed as soon as possible, as allowing it to move through the digestive system can lead to further difficulties.
Parasites
-
Many times dogs will pick up parasites from eating soil, foreign objects, and occasionally even their own food. Parasites such as worms target the respiratory or digestive system. If parasites start feeding off of these areas, it can cause internal bleeding, which in turn causes hematemesis. A dog will die if left with untreated parasites, so it is important to seek treatment.
Tumor
-
If a dog is vomiting bright, fresh blood, this could be a sign of a tumor in the stomach or esophagus. As a tumor grows and expands, it can damage these organs, causing the dog to vomit blood. It is important to treat or remove tumors as soon as possible. Failure to do so could be fatal.
Anti-inflammatory drugs
-
Pay close attention to your dog's health and behavior if she is on anti-inflammatory drugs. Occasionally when these drugs are used in large doses or for an extended period of time, they can damage the gastrointestinal tract lining. If left untreated, this damage can result in bleeding ulcers; your dog will vomit up this blood.
-