Bearded Collies are generally healthy, but like all breeds of dogs, they're prone to certain diseases and conditions. Not all Beardies will get any or all of these diseases, but it's important to be aware of them if you're buying or living with a Beardie.

• Allergies: Allergies are a common ailment in dogs. Allergies to certain foods are identified and treated by eliminating certain foods from the dog's diet until the culprit is discovered. Contact allergies are caused by a reaction to something that touches the dog, such as bedding, flea powders, dog shampoos, or other chemicals. They are treated by identifying and removing the cause of the allergy. Inhalant allergies are caused by airborne allergens such as pollen, dust, and mildew. The appropriate medication for inhalant allergies depends on the severity of the allergy. Ear infections are a common side effect of inhalant allergies.
• Hip Dysplasia: This is a heritable 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 you may not notice any signs of discomfort in a dog with hip dysplasia. As the dog ages, arthritis can develop. X-ray screening for hip dysplasia is done by the Orthopedic Foundation for Animals or the University of Pennsylvania Hip Improvement Program (PennHIP). Dogs with hip dysplasia should not be bred. 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. Hip dysplasia is hereditary, but it can also be triggered by environmental factors, such as rapid growth from a high-calorie diet or injuries incurred from jumping or falling on slick floors.
• Hypothyroidism: Hypothyroidism is an abnormally low level of the hormone produced by the thyroid gland. A mild sign of the disease may be infertility. More obvious signs include obesity, mental dullness, drooping of the eyelids, low energy levels, and irregular heat cycles. The dog's fur becomes coarse and brittle and begins to fall out, while the skin becomes tough and dark. Hypothyroidism can be treated with daily medication, which must continue throughout the dog's life. A dog receiving daily thyroid treatment can live a full and happy life.
• Progressive Retinal Atrophy (PRA): This is a degenerative eye disorder that eventually causes blindness from the loss of photoreceptors at the back of the eye. PRA is detectable years before the dog shows any signs of blindness. Fortunately, dogs can use their other senses to compensate for blindness, and a blind dog can live a full and happy life. Just don't make it a habit to move the furniture around. Reputable breeders have their dogs' eyes certified annually by a veterinary ophthalmologist and do not breed dogs with this disease.
• Persistent Pupillary Membrane (PPM): Persistent Pupillary Membranes are strands of tissue in the eye, remnants of the fetal membrane that nourished the lenses of the eyes before birth. They normally disappear by the time a puppy is 4 or 5 weeks old, but sometimes they persist. The strands can stretch from iris to iris, iris to lens, or cornea to iris, and sometimes they are found in the anterior (front) chamber of the eye. For many dogs, the strands do not cause any problems and generally they break down by 8 weeks of age. If the strands do not break down, they can lead to cataracts or cause corneal opacities. Eye drops prescribed by your veterinarian can help break them down.

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