Ulcer

Ulcerated, draining lesion on nose; also see drainage from nostrils and pain
Microscopic examination of drainage; biopsy; blood tests
Antifungal medications ...

Histiocytic ulcerative colitis is a bowel disease which causes the lining of an animal's colon to thicken, with varying degrees of ulceration and tissue loss to the superficial lining.

Ulcer: A lesion of the skin or a mucous membrane such as the one lining the stomach or duodenum that is accompanied by formation of pus and necrosis of surrounding tissue, usually resulting from inflammation or ischemia.

Read More Corneal Ulceration
The cornea is the thin, transparent covering of cells on the front of the eye.

ulcers in mouth.
How is it diagnosed?
Usually a physical examination followed by blood and urine tests are sufficient to diagnose the disease; ...

Ulcer: A rupture in the body's tissue, skin or membrane; usually associated with the stomach lining and its subsequent pain and injury.
Unaltered: An intact male or female cat with full reproductive abilities.

Mouth ulcers can be severe and cause your cat to stop eating. Your vet needs to be consulted if your cat has stopped eating and drinking. Sometimes the cat has to be hospitalized and force fed because the mouth ulcers are so painful it refuses to eat.

Oral ulcers
Severe, chronic mouth and gum disease
Bad breath (halitosis)
Chronic small bowel diarrhea
Loss of appetite (inappetance; anorexia)
Dramatic weight loss (emaciation)
Recurrent urinary tract infections
Spontaneous abortions ...

FCV infection is more often associated with oral ulcers, fever, and joint pain, but may also be a contributing factor in rhinitis, conjunctivitis, and gum disease.

This virus causes respiratory infections, ulcerative facial lesions, swelling of the legs, fever, oral ulcers and ultimately results in DEATH in those cats that become infected! "Unfortunatley there is NO TREATMENT AVAILABLE.

Occasionally these may cause ulcers or completely obstruct the digestive tract. Prevention, in the form of frequent combing and brushing, is best.

Tear ducts can become blocked while foreign bodies such as dust in the eyes can cause corneal ulcers. Both conditions need veterinary attention. Obviously, these cats don't cope with hot weather all that well.

Dribbling may be a sign of poison or ulcerated mouth. The best way to open the mouth is to tilt the head back with one hand and open the mouth with the forefinger of the other hand. Mouth and teeth should be inspected weekly.

Telltale signs include withdrawal, listlessness, unresponsiveness, sneezing, eye discharge, rapid breathing, unsteady balance, diarrhea, excessive fur or hair loss, red spots or ulcers in the mouth, and mites or brown discharge in ears.

See also: Veterinarian, Bacteria, Behavior, Parasite, Inflammation