
What Causes Severe Stomach Cramps And Diarrhea After Running?

Runner diarrhea.,,,
Detailed Answer:
Hi and thank you for asking.
I read carefully all your concerns and I can say as follows:
1. You are reporting to have abdominal cramp and diarrhea after running about 6 miles.
Your symptoms are well known as runner diarrhea or runner colitis. It's causes are not clear but it thought to be related with low blood flow on intestine , dehydration etc.
2. With regards to red bright blood in your stool to my opinion it is related with minor anal fissure due to diarrhea.
Your symptoms are not indicative for cancer or something more serious. So don't worry.
Otherwise If your symptoms like blood in your stool persist than you should schedule colonoscopy .
3.Meantime I suggest to ;
- avoid sugar food especially one day before running
- avoid coffee about 6 hours before running
- don’t eat anything 2 hours before running
- drink plenty of fluids to avoid dehydration
Hope it was helpful to you.
Dr.Klerida

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