There are several different types of psoriasis to be aware of, each of which present with different symptoms. Some examples include guttate psoriasis, which causes small drops, shaped lesions on the trunks, limbs and scalp. Whereas pustular psoriasis causes pus filled blisters. In the most common form, chronic plaque psoriasis, patients develop patches of thick red skin with often silver scales that feel sore or itchy. These patches can present anywhere on the body, but usually occur on places such as the elbows, knees, legs, scalp, lower back, face, palms, and soles of the feet. These patches can occasionally show up on the fingernails and toenails as well. And even on the genitals or inside the mouth. Sometimes you'll have a flare where your psoriasis becomes much worse and then gets better. This can be caused by infections, stress, certain medications, changes in the weather that dry out the skin, cuts, scratches, or sunburns. Psoriasis is not a contagious disease and the lesions are not infectious, but they do need to be seen by a healthcare professional in order to be effectively diagnosed and treated.
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