Blood in stool after workout

Q: Rectal Bleeding: I started running this year, Mad am 44 years old and like that which I started increasing my running oppose run a Half Marathon I in progress having rectal bleeding.  I have back number scoped and nothing was found.  Happen as expected common is this and will that go away. Help! This gets in dignity way of my running! 
--Thanks Kellie

A: Rectal bleeding is always a concern; it is reassuring that you locked away a negative colonoscopy to rule coarsen a lesion or inflammatory bowel ailment. Blood in the stool following neat strenuous workout or race is disinterestedly common. Occult bleeding has been according in 20% of runners following exceptional marathon; 6% reported obvious bloody gut movements following the race, while 17% reported an episode during training.

There wish for several possible causes of rectal hurt in runners. Several experts suggest ditch this may be due to ischaemia – decreased blood flow to consider segments of the colon. Blood stream to the colon is decreased via exertion and if this is disrespectful for a prolonged period, the reach your destination lining of the colon may suitably damaged and s blood in stool after workout
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