Colonoscopy and worried question?

[Rob12]

Good Afternoon Doctor,

I have a colonoscopy scheduled for 4/18 because of inconsistent bowel movements. I have been having back pains but it is due to a strain pair of muscles in my upper buttocks. My orthopedic doctor seems to think that the changes in bowel movements (at times regular and at times flat, and at times small) are due to the strain muscle in my upper buttocks and lower back. My gastro wants to do a colonoscopy to make sure it is not an obstruction and to diagnoe IBS. If there is an obstruction, wouldn't the bowel movements be the same every time. I mean, they would never be normal, right? The obstruction would not move? I am so sorry if this is an inappropriate or dumb question but I am so nervous about the colonoscopy. Otherwise I had ct scan done and it was ok besides diverticulosis....it shows no problems with the colon otherwise and no gas or fluid obstructions.. Thanks for all of your help. Your work here is for sure appreciated by every member...

[Kevin Pho, MD]

I agree with the colonoscopy.  If an obstruction is suspected, that would be the most comprehensive test.  Changes in stool shape or caliber needs to be further evaluated to exclude a mass or polyp.  

An obstruction would general lead to altered bowel movements.  

If negative, then a GI cause would be less likely.

These options can be discussed with your personal physician.

This answer is not intended as and does not substitute for medical advice - the information presented is for patients education only. Please see your personal physician for further evaluation of your individual case.

Kevin, M.D.
www.kevinmd.com

[Rob12]

By the way I am 34 years old and no other problems...