Why does the English Foxhound vomit? It is a situation that may be encountered by families raising pets. What is the cause of vomiting? What are the clinical diseases that it indicates?
Causes of vomiting
According to the cause of vomiting, it can be divided into two categories: central vomiting and peripheral vomiting.
1. Central vomiting
It is caused by the direct stimulation of the vomiting center in the medulla oblongata. It is often the result of the inflammatory process being limited to the medulla oblongata or due to infectious diseases and poisoning. The toxins or poisons directly stimulate the vomiting center. It is seen in some encephalopathy and secondary to chronic nephritis. Uremia, hepatitis or chloroform or morphine poisoning.
2. Peripheral vomiting
It occurs because organs other than the medulla oblongata are stimulated, which reflexively triggers the excitement of the vomiting center. Seen in gastric overload, gastric mucosal inflammation, and foreign bodies in the pharynx, esophagus, and esophageal groove, etc.
For the examination of vomiting, attention should be paid to the time and frequency of vomiting, as well as the quantity, smell and mixture of vomitus.
The clinical significance of vomiting
Vomiting a large amount of gastric contents at one time and not reoccurring in a short period of time is often a sign of overeating in pigs and carnivorous animals; frequent vomiting indicates that the gastrointestinal mucosa has been exposed to some kind of disease for a long time, and is common immediately after eating. The vomiting action occurs until the contents are vomited out.
Intractable vomiting can occur on an empty stomach and is often caused by intractable diseases of the stomach, duodenum, and pancreas, as well as serious diseases of the central nervous system. At this time, the vomitus is often mucus.
As for the nature and composition of vomitus, it varies depending on the pathological process. Vomitus mixed with blood is called bloody vomitus, which is seen in hemorrhagic gastroenteritis and certain hemorrhagic diseases (canine distemper, paratyphoid fever, etc.); vomitus mixed with bile is yellow or green, indicating an alkaline reaction, and is seen in 12 Intestinal obstruction; fecal vomitus, which has the same character and smell as feces, is mainly seen in large intestine obstruction in pigs and carnivorous animals; hair balls, parasites and foreign bodies can sometimes be found in the vomitus of dogs.
