Psoriasis typically causes patches of skin that are dry, red and covered in silver scales. Some people find their psoriasis causes itching or soreness.


Psoriasis is a condition that causes red and crusty patches of skin covered with silvery scales.


Psoriasis is thought to be caused by a problem with the immune system, which causes your body to make too many skin cells.


Mild psoriasis can be treated with creams and ointments. If these do not work, you may need light treatment (phototherapy) or stronger medicines.


The main symptoms of psoriasis are patches of skin that are dry, red and covered in silver scales.

Page last reviewed: 09/05/2018
Next review due: 09/05/2021