Psoriasis is a chronic autoimmune skin disorder characterized by the rapid and excessive growth of skin cells. This results in the formation of thick, red, scaly patches on the skin, which can be itchy, painful.

Carcinoma is a type of cancer that starts in the cells that make up the skin or the tissue lining organs, such as the liver or kidneys.

Hives, also known as urticaria, are a skin condition characterized by red, raised, itchy welts or bumps that appear on the surface of the skin. These welts can vary in size and shape and often appear suddenly.