Psoriasis is a chronic autoimmune condition that affects the skin, causing cells to multiply too quickly, leading to the formation of scaly, red patches. This condition can range from mild to severe and may appear anywhere on the body, although it is most commonly found on the elbows, knees, and scalp. Psoriasis can be both physically uncomfortable and emotionally challenging for those affected.
The exact cause of psoriasis is still not fully understood, but it is believed to involve a combination of genetic and environmental factors. The immune system mistakenly attacks healthy skin cells, triggering an accelerated production of new skin cells. While this process is typically slow, in individuals with psoriasis, the skin cells turn over too quickly, resulting in the buildup of scales and inflammation.
There are several types of psoriasis, including plaque psoriasis, guttate psoriasis, and pustular psoriasis, with plaque psoriasis being the most common. Each type has distinct symptoms, but they all share the characteristic skin lesions. Psoriasis can also be accompanied by other health issues, such as psoriatic arthritis, which affects the joints.
Managing psoriasis involves a combination of treatments aimed at reducing symptoms and preventing flare-ups. Topical treatments, such as corticosteroids and vitamin D analogs, can help reduce inflammation and scaling. In more severe cases, systemic treatments, including oral medications or biologic therapies, may be prescribed to suppress the immune response. Light therapy, or phototherapy, can also be effective in treating psoriasis by using ultraviolet light to slow skin cell production.