Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Collagenous colitis ?
    ### Response:
    What are the signs and symptoms of collagenous colitis? All individuals with collagenous colitis experience chronic, watery, non-bloody diarrhea which is what typically prompts individuals to seek medical attention. Onset of diarrhea may occur gradually over time or may be sudden and abrupt.
    