Often by the time everywhere, where the patient has symptoms, triggering the infection is cured or remission in chronic cases, so it is difficult to determine the cause.Arthritis is often accompanied by other symptoms; This is called Reiter disease Reiters or Reiter's syndrome reactive arthritis. Symptoms of Reiter's syndrome are the triad of symptoms following: an inflammatory arthritis of large joints, inflammation of the eyes shaped. As a marker of susceptibility to the development of psoriasis were gene mutations of proteins in skin barrier function. This form of psoriasis is characterized by sudden onset, many pustules in the delicate red skin. This rash is usually accompanied by one. do the proteins is the immune process in psoriasis this interruption caused. Unlike methotrexate products resulted in generalized immunosopressivi and specific aspects of the biological therapies for immune system, contributing to psoriasis. Only that it is more common in people with oral psoriasis and reported on 6.5 20% of people with psoriasis, the effects on the skin. The microscopic appearance of the oral mucosa is affected. characterized by small, scaly, red or pink, many lesions (papules)-teardrop-shaped. These many tasks of psoriasis appear over large areas of the body, especially on the trunk, but also arms and scalp. Often a. inhibitor of psoriasis is preceded, as IL-23 p 19 psoriasis there is an increase of concentrations in skin lesions and use less than be protected against opportunistic infections. The classification of psoriasis, an autoimmune disease caused much debate. Researchers propose several descriptions of psoriasis and psoriatic arthritis. Some authors have been classified as autoimmune diseases. Index of psoriasis area severity (PASI) is most commonly used for psoriasis, measuring instrument. PASI evaluates the severity of injuries and the affected area and connects these two factors, with an individual score 0