Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Immune Thrombocytopenia ?
    ### Response:
    Immune thrombocytopenia (ITP) may not cause any signs or symptoms. However, ITP can cause bleeding inside the body (internal bleeding) or underneath or from the skin (external bleeding). Signs of bleeding may include:
                
Bruising or purplish areas on the skin or mucous membranes (such as in the mouth).
    