Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for Psoriasis ?
    ### Response:
    While many psoriasis treatments are applied directly to the skin, your doctor may prescribe others that must be taken by mouth or injected. There are also some natural treatments, taken by mouth or applied to the skin, that you can try on your own. Systemic Therapies These therapies, prescribed by your doctor, work in different ways to help control the underlying disease process.
    