Which statements about interstitial cystitis are true? Select all that apply.

Interstitial cystitis (also called bladder pain syndrome) causes symptoms such as bladder or pelvic pain and frequent or urgent urination, so A is false. Its exact cause is not known, making B true. Ongoing pain and urinary symptoms can disrupt daily life and cause emotional distress, so C is true. The condition affects the bladder, not the kidneys, so D is false.

AI-written and checked against the verified answer.