However, a skin biopsy may be needed to rule out other possibilities and arrive at a definitive diagnosis.ĭo you know how to spot psoriasis symptoms? Here are some things you can look out for. Most of the time, psoriasis can be diagnosed with a physical examination. Psoriasis can also resemble and be confused with the fungal infection known as ringworm. These may include common skin conditions such as acne, eczema, or heat rash. Another option is light therapy, or phototherapy, in which targeted light rays are delivered to the skin.īecause psoriasis can look like other skin conditions that cause scaly patches and itchy rashes with inflammation, it is often confused with various disorders. Treatment options can include topical corticosteroids and biologic drugs. But the disease may never go away completely, and it tends to come back. Most psoriasis therapies aim to stop skin cells from growing so quickly and to smooth out the skin. Psoriasis symptoms typically respond to treatment. It’s unclear what exactly causes psoriasis, though genetic factors have a lot to do with whether you’ll develop the chronic skin condition. Far less common is pustular psoriasis, which is characterized by pus-filled bumps known as pustules, and erythrodermic psoriasis, a very serious form of the disease that affects about 3 percent of people with psoriasis. Guttate psoriasis is the second most common type. As many as 90 percent of people with psoriasis have this form. Plaque psoriasis, also known as psoriasis vulgaris, is the most common type. Each type causes a different skin rash and can appear on different areas of the body. There are five types of psoriasis - plaque psoriasis, guttate psoriasis, pustular psoriasis, inverse psoriasis, and erythrodermic psoriasis - none of which is contagious. While the disease can affect any part of your body, it most often surfaces on the scalp, elbows, knees, back, face, palms, and feet. Psoriasis plaques can consist of a few spots of dandruff-like scales or major eruptions that cover large areas. While there are signs and symptoms that set the disease apart from other conditions affecting the skin, it isn’t always easy to distinguish it at first.Ībout 7.5 million people in the United States have psoriasis, which causes itchy, scaly patches of thick, red, dry skin called plaques. If you have psoriasis, your immune system sends signals to your skin that speed up the production of skin cells. Psoriasis is an autoimmune disease thought to be caused by an immune system dysfunction.
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