Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for Pityriasis lichenoides chronica ?
    ### Response:
    How might pityriasis lichenoides chronica be treated? Pityriasis lichenoides chronica may not always respond to treatment and relapses often occur when treatment is discontinued. If the rash is not causing symptoms, treatment may not be necessary. In cases where treatment is necessary, there are several different therapies available.
    