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Pet Health Library

Medical Conditions

  • Crop infections in birds are not as common as they once were, but are still a potentially dangerous condition in all avian species. A slowing or stoppage of crop motility can be caused by bacteria, yeast and a variety of viruses. Early veterinary attention is essential to help treat this condition.

  • Cryptosporidium is a species of single-celled parasite that can infect your dog through the gastrointestinal tract. Clinical signs such as diarrhea and weight loss may only be seen in immunosuppressed patients, including puppies. These patients may need supportive care and other treatment to control disease. Certain Cryptosporidium species can be spread between pets and humans, making this parasite zoonotic.

  • Crystalluria refers to the presence of crystals in the urine. These crystals are made up of minerals and other substances that would normally be dissolved in the urine; crystals form when these substances do not remain dissolved in the urine and instead coalesce (join together) into crystals. Crystalluria is diagnosed via urinalysis.

  • Cushing's disease is a condition in which the adrenal glands over-produce certain hormones. It may be caused by a pituitary gland tumor, an adrenal tumor, or prolonged corticosteroid use. Clinical signs include poor haircoat, pot-bellied appearance, increased drinking, and increased urination. Medical and surgical treatment options are discussed. Prognosis varies but is improved with intervention.

  • Cushing's disease is a condition in which the adrenal glands overproduce certain hormones. There are three types of Cushing's disease, each of which has a different cause. The most common cause of Cushing's disease is a pituitary gland tumor. Cushing's disease may also be the result of a benign or malignant tumor of the adrenal gland itself, or may be caused from the excessive administration of an oral or injectable steroid. Clinical signs, treatment, and prognosis are discussed.

  • Cushing's disease, or hyperadrenocorticism, is the overproduction of cortisol hormone by a dog's body. The clinical signs of Cushing's disease are similar, regardless of the underlying cause of the disease. However, it is essential to identify the type of Cushing's disease as the treatment and prognosis differ slightly depending upon the form of the disease.

  • Treatment for Cushing’s disease using mitotane involves two phases: initiating phase and maintenance phase. Monitoring your dog’s food and water intake is very important. This handout provides detailed treatment instructions for dogs prescribed mitotane. Follow your veterinarian’s instructions carefully and report changes in your dog’s behavior to your veterinarian.

  • Skin cancers are common in cats, but cutaneous lymphoma is relatively uncommon. Less than 2% of lymphoma cases in cats occur in the skin. As the disease progresses, the skin becomes thickened, reddened, ulcerated, and may ooze fluid. The most common locations to find lesions include the junction between mucus membranes and the skin. Unfortunately, feline cutaneous lymphoma is considered incurable. Surgical removal can be attempted for solitary lesions, although the tumor often returns to the area or will have spread elsewhere in the body already

  • Systemic lymphoma is a very common cancer in dogs, but the cutaneous form is quite rare. Current statistics suggest that cutaneous lymphoma accounts for only about 5% of canine lymphoma cases. The disease can present in a variety of lesions, including ulcers, nodules, red patches, and areas of hair loss and skin scaling. Because not very much is known about canine cutaneous lymphoma, there are no standard treatment protocols and the prognosis is poor.

  • Blue-green algae, also called cyanobacteria, are found in fresh and brackish water of ponds and lakes. These microscopic bacteria can also grow in backyard fountains, garden pots, bird baths, and anywhere water is stagnant. Regardless of where they are found, cyanobacteria can be dangerous.