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Pruritus, or itchy skin, can have hundreds of causes, according to the Mayo Clinic. Physical examinations and blood tests are often required to assess the reason behind pruritic inflammations.
Symptoms
Pruritus is indicated by a persistent itching that worsens upon scratching. Fever, fatigue and weight loss may accompany symptoms of pruritus, which is typically treated with a combination of topical creams, medications and cool baths.
External Causes
Psoriasis, hives, scabies and lice can cause irritation and itching of the skin. When these factors are involved, symptoms are usually localized, characterized by redness, bumps or scaly patches.
Internal Causes
Internal disease, including kidney failure, candida, diabetes and some cancers, may contribute to pruritus. In these instances, itching is not relegated to one part of the body, but experienced across the entire body. There may be no change in appearance to the skin.
Environment
Fluctuations in weather can promote dryness of skin, leading to itchiness. Home heating and cooling systems are also known to leech moisture from the skin.
Allergies
Pruritus may indicate an allergic reaction to a certain detergent, shampoo or perfume. Skin allergies can also result from drugs. Ask a doctor if pruritus is a known side effect of any currently prescribed medications.
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