Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for Essential Thrombocythemia ?
    ### Response:
    Treatment of essential thrombocythemia in patients younger than 60 years who have no signs or symptoms and an acceptable platelet count is usually watchful waiting. Treatment of other patients may include the following:            -  Chemotherapy.     -  Anagrelide therapy.
    