Psoriasis disease
Explanation
Psoriasis is a persistent, non-contagious autoimmune disease that causes abnormal skin patches. These spots are usually red, brown, or purple, dry, itchy, and scaly. Psoriasis severity ranges from small localised spots to full body covering.
Causes and Triggers
Environmental factors activate a genetic predisposition that causes psoriasis. The immune system becomes overactive, causing skin cells to grow excessively, resulting in thicker, scaly skin. Skin injuries might also cause psoriatic symptoms.
Types of Psoriasis
Psoriasis can take several forms, including:
- Psoriasis vulgaris is the most prevalent kind, with scaly plaques on the elbows, knees, and scalp.
- Small, brown, and scaly areas on the trunk and limbs known as guttate psoriasis are frequently the result of bacterial throat infections.
- Inverse psoriasis causes smooth, red, and inflammatory patches in skin folds such as the armpits and groin.
- Pus-filled blisters that appear on the hands and feet are a defining feature of pustular psoriasis.
- Exfoliation of the skin and widespread, flaming redness are characteristics of erythrodermic psoriasis.
Symptoms
- Red, brown, or purple blotches on the skin.
- Dry, itchy, and scaly skin.
- Thickened skin plaques
- Joint discomfort and swelling (psoriatic arthritis)
Morphea
a rare autoimmune skin disease that causes patches of skin that doesn’t look right. The skin often gets discoloured, thickens, and scars.
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