Psoriasis is thought to be an immune system problem. Triggers include infections, stress and cold…
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Psoriasis is thought to be an immune system problem. Triggers include infections, stress and cold.The most common symptom is a rash on the skin, but sometimes the rash involves the nails or joints.To diagnose psoriasis, a dermatologist will examine your skin, nails, and scalp for signs of this condition. Your dermatologist will also ask if you have any: Symptoms, such as itchy skin.
