I am not aware of other causes other than laxative use.
Early studies suggested an association with colon cancer, but more recent studies have failed to prove this association.
Normally, stopping the laxative will cause this finding to resolve over time.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
kevinmd_