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Megaesophagus is a disease of the esophagus characterized by low motility and dilation. Most cases in adult dogs are idiopathic. It is the most common cause of regurgitation in dogs. Other causes of megaesophagus include myasthenia gravis, lead poisoning, and Addison's disease. [143]
Clinically, the intestinal form of the infection can sometimes be confused with coronavirus or other forms of enteritis. Parvovirus, however, is more serious and the presence of bloody diarrhea, a low white blood cell count, and necrosis of the intestinal lining also point more towards parvovirus, especially in an unvaccinated dog. The cardiac ...
Feline disease refers to infections or illnesses that affect cats. They may cause symptoms, sickness or the death of the animal. Some diseases are symptomatic in one cat but asymptomatic in others. Feline diseases are often opportunistic and tend to be more serious in cats that already have concurrent sicknesses.
IBD also occurs in dogs and is thought to arise from a combination of host genetics, intestinal microenvironment, environmental components and the immune system. There is an ongoing discussion, however, that the term "chronic enteropathy" might be better to use than "inflammatory bowel disease" in dogs because it differs from IBD in humans in ...
Extra-intestinal masses such as other malignancies can also lead to constipation from external compression. [32] Constipation also has neurological causes, including anismus, descending perineum syndrome, desmosis and Hirschsprung's disease. [7] In infants, Hirschsprung's disease is the most common medical disorder associated with constipation.
Mechanical causes of intestinal obstruction must be excluded to reach a diagnosis of pseudo-obstruction. Attempts must also be made to determine whether the IPO is the result of a primary or secondary condition. [15] A diagnostic work-up may include: [14] Gastric motility studies; Imaging studies:
In addition, A. caninum can also cause intestinal inflammation with signs of an acute abdomen. [84] [85] Of the filariae, the heartworm (Dirofilaria immitis) and Dirofilaria repens are zoonotic agents. D. immitis rarely causes disease in humans, although about 20% of the population in endemic areas have antibodies. In most cases, larval ...
Functional constipation, also known as chronic idiopathic constipation (CIC), is defined by less than three bowel movements per week, hard stools, severe straining, the sensation of anorectal blockage, the feeling of incomplete evacuation, and the need for manual maneuvers during feces, without organic abnormalities.