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Hyperthyroidism is a common condition in older cats caused by excess thyroid hormone release resulting in an increased metabolic state. Hyperthyroidism can cause weight loss despite a good appetite, increased water consumption and urination, vomiting, diarrhea, cardiomyopathy, and hypertension. Diagnosis is made by testing blood thyroid hormone levels. Several successful treatment options exist, including medication, thyroidectomy, radioactive iodine, and a prescription diet. The prognosis with treatment is generally good.
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Calcium is a mineral that is found in small quantities throughout the body and plays an important role in muscle contraction, transmission of nerve impulses, blood clotting, and bone growth. Hypocalcemia means that the level of calcium in the bloodstream is low. Early signs of hypocalcemia include restlessness, stiffness, weakness, irritability, muscle tremors and hypersensitivity (exaggerated responsiveness) to touch and sound. Calcium and phosphorus levels are closely inter-related and when phosphorus levels increase as a result of chronic kidney disease, calcium levels decrease. With hypocalcemia due to chronic renal failure, treatment is directed at lowering the serum phosphate concentrations by dietary restriction of phosphorus and administration of intestinal phosphate binders. Hypocalcemia may also occur with lactation in a nursing mother cat, low blood protein levels, pancreatitis, certain drugs and toxins, and as a post-operative complication following surgical treatment for hyperthyroidism. If the hypocalcemia is severe, immediate correction of the decreased levels will require calcium injections.
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Hypokalemia is a term that refers to a low blood concentration of potassium. Potassium is an important electrolyte within the body and is vital for the normal function of muscles and nerves. Mild to moderate hypokalemia often does not cause clinical sigs, but severe hypokalemia can result in generalized muscle weakness, lack of appetite, and some cats may become constipated. The underlying cause of hypokalemia is often chronic kidney failure. Hypokalemia and its associated clinical signs may be quickly corrected by potassium supplementation. Depending on the cause, it may be necessary to continue supplementing potassium permanently.
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Ibuprofen is commonly used to treat fever, pain, and inflammation in humans. Ibuprofen poisoning occurs when a cat ingests a toxic dose of ibuprofen, either through misuse or by accident. Ibuprofen poisoning causes many different clinical signs because many different organ systems can be affected. Most commonly, cats show signs related to kidney problems.
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Icterus is also known as jaundice is an excessive accumulation of a yellow pigment in the blood and tissues, most easily seen in the gingivae and sclerae. Icterus can be caused by hemolysis, liver disease, or obstruction of the bile duct. Your veterinarian will perform screening tests to determine the root cause of icterus. Based on the preliminary tests, your veterinarian may recommend fine needle aspiration, needle biopsy, or a surgical biopsy. Icterus will resolve once the underlying disease is identified and treated. The prognosis depends on the underlying cause.
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Immune-mediated thrombocytopenia is a condition in which the body destroys its own platelets. Platelets are cells that help the blood to clot. Causes can be primary (autoimmune) or secondary to other underlying conditions. The prognosis is generally good, though relapses can occur.
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Infertility in a queen (an intact female cat) is defined as the inability to give birth to live kittens, despite appropriate breeding with a fertile male. This handout provides an outline of common causes of infertility along with how they are diagnosed and, when possible, treated.
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Male infertility refers to the inability of a sexually mature tomcat (intact male cat) to impregnate a fertile female. This handout explains the possible causes of infertility in male cats as well as how they may be diagnosed and, when possible, treated.
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Inflammatory bowel disease (IBD) is a syndrome affecting the stomach and/or intestines that can cause vomiting, diarrhea, or weight loss. It is considered a chronic condition that may have a good prognosis, though a diagnosis is not always easy. Treatment may involve a diet change, medications, or both and will need to be closely followed to prevent relapses.
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A hernia occurs when a body part or internal organ protrudes through the wall of muscle or tissue meant to contain it. In the case of an inguinal hernia, these internal organs or structures have managed to make their way through the inguinal ring (an opening in the abdominal wall near the pelvis) to protrude into the groin area. The condition itself can be broadly classified as either acquired or congenital. In general, it is best to surgically repair an inguinal hernia at the time of diagnosis, as delaying can result in a more complicated and difficult procedure.
