I have urgent loose bowel attacks approx from15 mins to 30 mins after i a meal or a small snack, I also evacuate loose bowel matter just from standing up from a sitting position or liftingI have had this for a number of years but it gotten worse as I have grown older I am 75yrs now, I have to wear a large pad to bed each night because this also happens in my sleep.I also suffer from internal & external