If your dog has been scratching and its skin has become thick, it is likely suffering from an uncomfortable condition. Thickened skin is often a result of chronic irritation, which can be caused by excessive scratching. Many different ailments can cause the scratching and most are remedied with the help of a veterinarian.
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Symptoms
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Dogs that develop thickened skin as a result of chronic scratching are often seen scratching for most of their waking hours. They may also bite themselves or rub their bodies against furniture or other objects in an attempt to relieve the itch. Thickened skin may become red or darkened and feels quite thick and dense to the touch. Affected dogs may become sensitive in these areas, because they are often highly irritated and inflamed.
Causes
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Excessive scratching is a symptom of a variety of illnesses. According to the Dog Health Guide website, allergies, skin parasites, hypersensitivity, skin infections and hypothyroidism can all cause chronic scratching. In addition, skin cancer, anal gland infections, hormonal issues and fungal infections can cause the itchiness, as well.
Diagnosis
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Your veterinarian will give the dog a thorough exam and decide what type of testing she will perform based on what she sees. If she sees fleas, she may decide that the inflammation and irritation are caused by an allergy to fleas. She may perform skin scrapings, in which she rubs the skin with a blade to look for evidence of mites. The veterinarian may also take blood tests to determine if the issues are caused by allergies, thyroid problems or hormonal issues. In addition, she may collect a few hairs and culture them to test for fungus.
Treatment
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The Dog Health Guide website states that allergies are often treated with antihistamines, steroids, fatty acid supplements and diet changes. Fleas and mites are treated with medications that remove them from the body. Steroids and antibiotics may be prescribed to alleviate the inflammation and infection caused by the parasites. Thyroid and hormonal problems are often treated with life-long medications, while fungal infections are treated with creams and sometimes, oral medications. Once the underlying issue is resolved, the itchy and thickened skin often goes away.
Prevention
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Preventing thickened, itchy skin is possible, depending upon its cause. For instance, keep fleas away by placing your dog on a preventative. Avoid contact with other animals that might have skin parasites, including the mites that cause mange, to keep your animal from contracting the uncomfortable condition. If your animal is allergic to avoidable substances, such as cigarette smoke or beef, keep it away from them.
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