Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Erythropoietic protoporphyria ?
    ### Response:
    What are the signs and symptoms of Erythropoietic protoporphyria? The Human Phenotype Ontology provides the following list of signs and symptoms for Erythropoietic protoporphyria. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    