The classic symptoms of psoriasis are raised, red patches of skin topped with loose, silvery scales, usually on the knees or elbows. Scaling can range from mild scaling to thick, crusted plaques on the scalp.
There are several types of psoriasis. Symptoms for each type may vary in severity and appear in a wide array of combinations.
In general, the major symptoms of psoriasis include:
Other symptoms of psoriasis may include:
Koebner’s phenomenon can occur when a person with psoriasis has an injury (such as a cut, burn, or excess sun exposure) to an area of the skin that is not affected by psoriasis. Psoriasis patches then appear on the injured skin or any other part of the skin from several days to about 2 weeks after the injury. Because this response is common, it is important for people who have psoriasis to avoid irritating or injuring their skin.
Several other skin conditions have symptoms similar to psoriasis. Some medicine reactions can cause symptoms (such as reddened skin) similar to psoriasis. Talk to your doctor about the medicines you are taking.
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