Psoriasis is just a skin Condition
Psoriasis is a chronic inflammatory disease where patient get red scaly area on skin, scalp, palm and sole . It can start with very few lesions on elbow or knee and may progress to involve larger area producing redness and scaling in entire body. Itching is subjective and can be mild in some person to very severe in few. Sometimes joints are involved causing arthritis. This is not a infectious disease and is not transmitted from one person to another person even in close contact.
Psoriasis can affect any person and about 1 to 2 % of world population are affected by this disease. There is some genetic predisposition. There is no specific cause for this disease. Some particular cells of immunity are stimulated in a wrong way and they stimulate the cells of skin in an abnormal way producing more skin cells than necessary. This leads to scaling.
Psoriasis can be treated with multiple medication. There are many effective medication which can completely control Psoriasis. It start from a simple low cost emollient to expensive medication like biologics. It all depend upon the severity of disease and other co-morbid condition. A through evaluation of the patient and a personal approach is very important in deciding the treatment plan.