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A 24-year-old male asked:

I've felt bloated for last 3 week but had constipation got flatulence got lower back pain and cramp in stomach have i got ibs or lactose intolerance?

3 doctor answers10 doctors weighed in
Dr. Deborah Ungerleider
Pediatrics 37 years experience
Could be either.: Try keeping a log of everything you're eating, your bowel movements and what else is going on in your life. Lactose intolerance typically causes gas and sometimes diarrhea and crampy abdominal pain, but not necessarily back pain. IBS (irritable bowel syndrome) certainly can cause these symptoms, but is a diagnosis of exclusion. You should consult with your doctor to help you figure this out.
Dr. Eric Weisman
Neurology 37 years experience
Gluten sensitivity: is a third possibility. I suggest you see your doctor and ask about all of these. You need a good exam to start with. You may need to have some blood tests done if this is a recurrent problem.
Dr. Diane Minich
Family Medicine 38 years experience
Both are: possibilities as well as gluten sensitivity and other causes so see a GI.
Last updated May 23, 2016
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