excruciating stomach pain and diarrhea after running?

i_KiERRE

New member
I love to run, but after going 5-6 miles I start getting a horrible stomach pain and have to stop, not a cramp but in my lower stomach and then when I get home from the gym it gets much worse and I have diarrhea. Even when I stop before the pain starts like I did last night, within 30 minutes after the run my stomach starts hurting usually just not as bad. I've heard of "runners diarrhea" but is it common to have horrible pain with it?

For the last 2 years I've had bad stomach problems, most likely IBS but a while ago I could run without the pain, just after 5 or 6 miles I'd go home use the bathroom once and was fine, now in the last year there is pain. I've never felt pain as bad as after running but I love to run and need the exercise.
 
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