Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Interstitial Cystitis ?
    ### Response:
    Interstitial cystitis (IC) is a condition that causes discomfort or pain in the bladder and a need to urinate frequently and urgently. It is far more common in women than in men. The symptoms vary from person to person. Some people may have pain without urgency or frequency.
    