Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Psoriasis ?
    ### Response:
    Different forms of psoriasis have different symptoms. In many cases your doctor can diagnose psoriasis based on the signs seen in the physical exam as well as the symptoms you describe. Symptoms The most common symptoms of psoriasis are - patches of thick, red skin   - skin inflammation  - silvery scales  - itching  - pain.
    