What is the root cause of psoriasis? Can psoriasis spread by scratching?

Psoriasis is a chronic skin disease that causes itchy, scaly patches on the skin. It is not contagious, so you cannot catch it from anyone or spread it to others by scratching. Psoriasis is thought to be an immune system problem that causes skin cells to grow faster than usual.

There are different types of psoriasis, such as plaque, guttate, inverse, pustular, and erythrodermic. Each type has its own signs and symptoms. The exact cause of psoriasis is not fully understood, but it may be influenced by genetics and environmental factors.

Some common triggers that can worsen psoriasis include stress, infections, injuries to the skin, certain medications, smoking, alcohol, and cold weather. However, triggers vary from person to person and may not have any impact on someone else.

There is no cure for psoriasis, but treatments are available to help manage the symptoms and prevent complications. Treatments may include topical creams, oral medications, injections, light therapy, or a combination of these.

Some lifestyle habits and coping strategies can also help you live better with psoriasis, such as moisturizing your skin regularly, avoiding scratching or picking at your skin, reducing stress, eating a balanced diet, exercising moderately, and joining a support group.