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Pemphigus foliaceus in dogs: hair loss occurs, skin becomes red, and itchy. Dogs suffering from autoimmune diseases of the skin may experience a variety of symptoms, including persistent itching and scratching, lesions, wounds, blisters, and other skin damage, as well as loss of skin pigment . [ 5 ]
Illustration of venereal granulomata on a dog's penis. A canine transmissible venereal tumor (CTVT), also known as a transmissible venereal tumor (TVT), canine transmissible venereal sarcoma (CTVS), sticker tumor and infectious sarcoma, is a histiocytic tumor of the external genitalia of the dog and other canines, and is transmitted from animal to animal during mating.
Typical signs in dogs include sneezing, nasal discharge, bleeding from the nose, and ulcerations of the nose. [23] Pythiosis is a disease caused by a water mould of the genus Pythium, P. insidiosum. It occurs primarily in dogs and horses, but can also affect humans. In dogs it affects the gastrointestinal system and lymph nodes, and rarely the ...
Rectal bleeding may also occur owing to colorectal cancer, colitis including inflammatory bowel disease, diverticular disease, and angiodysplasia. [6] If anemia is present, other potential causes should be considered. [5] Other conditions that produce an anal mass include skin tags, anal warts, rectal prolapse, polyps, and enlarged anal ...
A hot spot, or acute moist dermatitis, is an acutely inflamed and infected area of skin irritation created and made worse by a dog licking and biting at itself. A hot spot can manifest and spread rapidly in a matter of hours, as secondary Staphylococcus infection causes the top layers of the skin to break down and pus becomes trapped in the hair.
Dogs rarely show symptoms of hemangiosarcoma until after the tumor ruptures, causing extensive bleeding. Then symptoms can include short-term lethargy, loss of appetite, enlarged abdomen, weakness in the back legs, paled colored tongue and gums, rapid heart rate, and a weak pulse.
Affected individuals may present with rectal bleeding, abdominal pain, diarrhea or anemia. Diagnosis is typically by way of endoscopy and cytology. [3] On colonoscopy or sigmoidoscopy polyps that vary in shape or size are present. The polyps can be sessile or pedunculated hamartomatous polyps. [1]
Symptoms may include bleeding from the anus or a lump near the anus. [1] Other symptoms may include pain, itchiness, or discharge from the anus. [1] A change in bowel movements may also occur. [1] Risk factors include human papillomavirus (HPV), HIV/AIDS, receptive anal sex, [4] smoking, and many sexual partners. [1]