Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Erythromelalgia ?
    ### Response:
    How is erythromelalgia diagnosed? Erythromelalgia can be diagnosed through a clinical exam and medical history. Additional tests may include a skin biopsy and thermography to evaluate skin temperature. Blood tests or other studies may be done to rule out other conditions that can cause similar symptoms.
    