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Shar-Peis are prone to certain health conditions, especially skin conditions. Not all Shar-Peis will get any or all of these diseases, but it's important to be aware of them if you're considering this breed.
- Shar-Pei Fever: Also known as swollen hock syndrome, this condition manifests in the swelling of the hock joint (sometimes both joints), and results in reluctance to move, abdominal pain, vomiting, diarrhea, and shallow breathing. Dogs have one or more bouts of unexplained fever with temperatures as high as 103 to 107 degrees. The condition usually starts at 18 months, but can appear when the dog is an adult. The fever lasts 24 to 36 hours, and treatment includes reducing fever and pain.
- Hypothyroidism: This is a disorder of the thyroid gland. It's thought to be responsible for conditions such as epilepsy, alopecia (hair loss), obesity, lethargy, hyperpigmentation, pyoderma ,and other skin conditions. It is treated with medication and diet.
- Cancer: Symptoms include abnormal swelling of a sore or bump, sores that do not heal, bleeding from any body opening, and difficulty with breathing or elimination. Treatments for cancer include chemotherapy, surgery, and medications.
- Elbow Dysplasia: Similar to hip dysplasia, is also a degenerative disease. It's believed to be caused by abnormal growth and development, which results in a malformed and weakned joint. The disease varies in severity: the dog could simpy develop arthritis, or he could become lame. Treatment includes surgery, weight management, medical management, and anti-inflammatory medication.
- Demodectic Mange: Also known as demodicosis, this is caused by the demodex mite, which a mother dog passes to her pups in their first few days of life. (The mite can't be passed to humans or to other dogs; only by mother to pups.) Demodex mites live in hair follicles and usually don't cause problems, but if your Shar-Pei has a weakened or compromised immune system, he can develop demodectic mange. In its localized form, patches of red, scaly, balding skin appear on the head, neck and forelegs. It often clears up on its own, but even so, you should take your dog to the vet to prevent it from turning into the generalized form of demodectic mange, which covers the entire body and causes infection.
- Seborrhea: This is a condition characterized by flaky skin and a rancid odor. It is usually a secondary condition to allergy, infection, or other disease. Treatment includes bathing in medicated shampoo and treating the underlying disease.
- Pyoderma: Another skin condition, this is a bacterial infection of the skin, and is fairly common in the Shar-Pei. It can be a primary or secondary infection; the latter results from an underlying condition such as allergy or hypothyroidism. Pyoderma is treated with antibiotics.
- Patellar Luxation: Also known as slipped stifles, this is a common problem in small dogs. The patella is the kneecap. Luxation means dislocation of an anatomical part (as a bone at a joint). Patellar luxation is when the knee joint (often of a hind leg) slides in and out of place, causing pain. This can be crippling, although many dogs lead relatively normal lives with this condition.
- Hip Dysplasia: This is an inherited condition in which the thighbone doesn't fit snugly into the hip joint. Some dogs show pain and lameness on one or both rear legs, but others don't display outward signs of discomfort. (X-ray screening is the most certain way to diagnose the problem.) Either way, arthritis can develop as the dog ages. Dogs with hip dysplasia should not be bred--so if you're buying a puppy, ask the breeder for proof that the parents have been tested for hip dysplasia and are free of problems.
- Gastric Torsion: Also called bloat, this is a life-threatening condition that can affect large, deep-chested dogs. This is especially true if they are fed one large meal a day, eat rapidly, drink large volumes of water after eating, and exercise vigorously after eating. Bloat is more common among older dogs. GDV occurs when the stomach is distended with gas or air and then twists (torsion). The dog is unable to belch or vomit to rid himself of the excess air in the stomach, and the normal return of blood to the heart is impeded. Blood pressure drops and the dog goes into shock. Without immediate medical attention, the dog can die. Suspect bloat if your dog has a distended abdomen and is salivating excessively and retching without throwing up. He also may be restless, depressed, lethargic, and weak, with a rapid heart rate. It's important to get your dog to the vet as soon as possible if you see these signs.
- Osteochondrosis Dissecans (OCD): This orthopedic condition, caused by improper growth of cartilage in the joints, usually occurs in the elbows, but it has been seen in the shoulders as well. It causes a painful stiffening of the joint, to the point that the dog is unable to bend his elbow. It can be detected in dogs as early as four to nine months of age. Overfeeding of "growth formula" puppy foods or high-protein foods may contribute to its development.
- Cutaneous Mucinosis: Mucin is the substance in the skin that causes wrinkling. Clear and stringy, it acts like glue when a dog is wounded. Some Shar-Peis have an excess of mucin, however, which causes it to form clear bubbles on the skin that may rupture and ooze. It may be associated with allergies and is treated with steroid therapy.
- Glaucoma: Glaucoma is defined by an increased pressure in the eye, and can be found in two forms: primary, which is hereditary, and secondary, which is caused by decreased fluid in the eye due to other eye diseases. Symptoms include vision loss and pain, and treatment and prognosis vary depending on the type. Glaucoma is treated surgically or with eye drops.
- Entropion: This is the inward rolling of the eyelid, usually the lower one, and found in both eyes. It causes vision loss and irritation, and generally occurs before a dog turns a year old. Corrective surgery when the dog reaches adulthood is an effective treatment.
If you're buying a puppy, find a good breeder who will show you health clearances for both your puppy's parents. Health clearances prove that a dog has been tested for and cleared of a particular condition.
In Shar-Peis, you should expect to see health clearances from the Orthopedic Foundation for Animals (OFA) for hip dysplasia (with a score of fair or better), elbow dysplasia, hypothyroidism, and von Willebrand's disease; from Auburn University for thrombopathia; and from the Canine Eye Registry Foundation (CERF) certifying that eyes are normal. You can confirm health clearances by checking the OFA web site (offa.org).
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