Psoriasis is a chronic inflammatory skin condition that appears as red, scaly patches on the skin. It's more than just a surface problem; it's an immune system disorder that affects people of all ages. The condition can begin at any age but is most common between the ages of 30 and 69. Although it affects men and women equally, its causes can be linked to genetic, environmental, and lifestyle factors.

There are several forms of psoriasis, each with unique characteristics. Chronic plaque psoriasis is the most prevalent, featuring raised, red patches covered with a silvery scale. Guttate psoriasis often appears after a strep infection and results in small, drop-like lesions. Pustular psoriasis is more severe, presenting with pus-filled blisters, while erythrodermic psoriasis leads to widespread redness and scaling, covering most of the body.

Psoriasis is not just a skin condition; it's a systemic issue that can lead to other health problems. People with psoriasis are at an increased risk of developing psoriatic arthritis, which causes joint pain and stiffness. Other health risks include obesity, diabetes, cardiovascular diseases, and mental health issues like depression and anxiety.

Psoriasis is a complex condition that requires understanding beyond its skin manifestations.