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Symptoms in cats include fever, weight loss, diarrhea, vomiting, uveitis, and central nervous system signs. Disease in dogs includes paralysis, tremors, and seizures. Dogs and cats are usually treated with clindamycin. [9] Genus Neospora has one important species, N. caninum, which affects dogs in a manner similar to toxoplasmosis.
Suspected causes include abnormal responses to bacteria or bacterial endotoxin, or a hypersensitivity to food. [2] Pathologically there is an increase in the permeability of the intestinal lining and a leakage of blood and proteins into the bowel. Clostridium perfringens has been found in large numbers in the intestines of many affected dogs. [1]
Rocky Mountain spotted fever* is a rickettsial disease that occurs in dogs and humans. It is caused by Rickettsia rickettsii and spread by ticks of the genus Dermacentor. Signs are similar to human disease, including anorexia, fever, and thrombocytopenia. [12] Clostridium species can cause diarrhea in dogs.
Many of the same agents cause gastroenteritis in cats and dogs as in humans. The most common organisms are Campylobacter, Clostridioides difficile, Clostridium perfringens, and Salmonella. [86] A large number of toxic plants may also cause symptoms. [87] Some agents are more specific to a certain species.
It causes considerable childhood mortality in the developing world and is correlated with morbidity (or of relating to disease) and substation health care costs in industrialized countries. E. coli is a bacterium that is normally found in the human intestine, but some strains of bacteria can cause illness and infection.
Streptococcus canis is a group G beta-hemolytic species of Streptococcus. [1] It was first isolated in dogs, giving the bacterium its name. These bacteria are characteristically different from Streptococcus dysgalactiae, which is a human-specific group G species that has a different phenotypic chemical composition.
Shigellosis, known historically as dysentery, is an infection of the intestines caused by Shigella bacteria. [1] [3] Symptoms generally start one to two days after exposure and include diarrhea, fever, abdominal pain, and feeling the need to pass stools even when the bowels are empty. [1] The diarrhea may be bloody. [1]
This infection causes respiratory illness in birds, pigs, and humans, especially in immunocompromised people. In the later stages of AIDS, it can be very severe. It usually first presents as a persistent cough. It is typically treated with a series of three antibiotics for a period of at least six months.