Psoriasis :
Psoriasis is a non contagious disease characterized by inflamed lesions covered with silvery-white scabs of dead skin. It is more common in women than men although the disease can develop at any stage and any time. Psoriasis is common in fair skinned people extremely rare in dark colored people. Exact cause of psoriasis is unkown but scientists believe psoriasis is the result of several factors including the immune system. When the patient is having psoriasis the immune system is overactive which creates an inflammation in the body and results to the changes in the skin.Symptoms of psoriasis include : dry skin , cracked skin , swollen joints, and continuous itching. Diagnosis is established by physical examination , examination of nail , scalp, family history and biopsy.Topical ointments and phototherapy might be recommended for the patients suffering from psoriasis