Articles
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Congestive heart failure (CHF) refers to the heart's inability to pump adequate blood to the body. There are many causes of CHF in dogs. The two most common causes are mitral valve insufficiency (MVI), or a leaky mitral valve, and dilated cardiomyopathy (DCM). The most common clinical sign of CHF is persistent coughing accompanied by difficulty breathing. Other signs include coughing when at rest or sleeping, an increased resting respiratory rate or excessive panting, persistent loss of appetite, a swollen belly, and pale or bluish gums.
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Conjunctivitis means inflammation of the conjunctiva. The most common signs of conjunctivitis include discharge from the eyes, squinting or excessive blinking, and redness or swelling around the eyes. Causes of conjunctivitis include bacterial and viral infections, allergies, breed-associated conditions, and tumors. Conjunctivitis can be secondary to other eye conditions including eyelid abnormalities, corneal ulcers, decreased tear production, uveitis, or glaucoma. To differentiate many of these conditions, your veterinarian must perform a complete and detailed ophthalmic examination, as well as several additional diagnostic tests. Treatment may include both topical and oral medications. Most dogs have an excellent prognosis, though some causes of conjunctivitis require long term or surgical treatment.
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Constipation is infrequent or difficult passage of stool or feces and is typically a temporary condition. Though there are many causes of constipation in dogs, most cases are caused by ingestion of irritating or indigestible substances. Constipation is usually diagnosed through a physical examination and medical history. A rectal exam to rule out rectal strictures, tumors, foreign bodies, or other abnormalities may be done. Abdominal radiographs, blood tests, and urinalysis are valuable for a full diagnosis and development of a treatment plan. Biopsies may also be recommended if a rectal mass or stricture is suspected. Most cases of constipation are relatively easy to treat through the use of manual removal, enemas, and medications. The prognosis for constipation is determined by the exact cause.
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A Coombs’ test is used to test for a disease called autoimmune hemolytic anemia (IMHA). IMHA is a condition where the immune system breaks down or destroys red blood cells, leading to anemia. The test detects the presence of immunoglobulins (antibodies) on the surface of red blood cells. Taken together, the physical findings and the laboratory data (such as a Coombs’ test) may suggest that immune-mediated destruction of red blood cells is the most likely cause of your pet's anemia.
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Coonhound paralysis is a sudden inflammation of multiple nerve roots and peripheral nerves in dogs, and occasionally cats. It can be caused by an immune reaction to raccoon saliva. It can also occur in dogs who have not encountered a raccoon. In this case, it is called acute idiopathic polyradiculoneuritis, and its cause is often unknown. Dogs with coonhound paralysis start out with a stiff-legged gait that rapidly progresses to paralysis of all four legs. Good nursing care is essential for recovery.
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Corkscrew tail, also known as screw tail or ingrown tail, is a vertebral malformation that commonly occurs in certain dog breeds. Corkscrew tail is commonly observed in English Bulldogs, Pugs, Boston Terriers, and French Bulldogs, although it may also occur in other breeds. Corkscrew tail is an inherited condition. There is nothing that you can do to prevent your dog from developing corkscrew tail, but there are measures breeders can take to reduce the incidence of corkscrew tail in their litters.
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Corneal dystrophy is a term used to describe several conditions that occur in dogs and cause the corneas to become opaque. There are three major categories of corneal dystrophy: epithelial, stromal, and endothelial. Each is named by the anatomic location of the abnormal tissue and opacity.
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Corneal lipidosis is an accumulation of fatty substances within the cornea. This is caused by genetics (corneal dystrophy), eye inflammation (corneal degeneration), or by an increase in circulating lipids in the body (hyperlipidemia). Visually, lipidosis appears as a sparkly or shiny area of the cornea. It is diagnosed by a thorough eye exam, bloodwork, and patient history. Treatment and prognosis will depend on the cause and may include treatment of underlying inflammatory conditions of the eye, or systemic treatment of elevated lipid blood levels.
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Ulcerative keratitis is a kind of inflammation that occurs in the cornea of the eye with a corneal ulcer. Some breeds seem to develop them more commonly, particularly breeds with short muzzles and prominent eyes like pugs and Boston terriers. There are many potential causes of ulcerative keratitis, including trauma, infection, and abnormal tear production. Antibiotic ointment or drops will be prescribed, and it is important to prevent additional trauma to the cornea. Superficial corneal ulcers typically heal within 5 to 7 days.
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The cornea is the transparent, shiny membrane that makes up the front of the eyeball. With a corneal ulcer, fluid is absorbed from the tears into the stroma, giving a cloudy appearance to the eye. The most common cause of a corneal ulcer is trauma. Less common causes of corneal ulcers include bacterial infections, viral infections, and other diseases.
