Psoriasis Skin Disorder Information
Psoriasis is a chronic disorder that causes red, dry patches of thick, scaly skin that can be itchy and painful. Psoriasis occurs most commonly on the palms, feet, knees, elbows, face, scalp and back.
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Risk Factors
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Many factors increase the chances of psoriasis occurrence, including stress, obesity, smoking, infections, certain medications (such as lithium and beta-blockers) and a family history of psoriasis.
Cause
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Psoriasis is caused by a malfunctioning immune system, which causes new skin cells to form before the old ones have died.
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Complications
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People with psoriasis often feel anxious about their appearance, which can lead to feelings of depression and low self-confidence. Arthritic psoriasis (psoriasis combined with arthritis) can cause a severe hindrance in the movement of joints.
Medication
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Oral medications for the treatment of psoriasis include: retinoids, methotrexate, cyclosporine, hyrdoxyurea and immunomodulator drugs.
Topical Treatments
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Topical treatments for psoriasis include corticosteroids, vitamin D, anthralin, topical retinoids, calcineurin inhibitors, salicyclic acid, coal tar and moisturizers.
Laser Therapy
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Laser therapies, such as ultraviolet light, excimer laser, photochemotherapy and narrowband UVB, in combination with medications help treat psoriasis.
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