my iron was low and just keep droping so my doctor did a stool test and it came back positive with blood in it so he told my to see my family doctor and that one send me to a Family Practice, General Surgery doctor and he did a colonoscopy and a upper GI and that test came back good he could not see any thing wrong. so my question why would there be blood in my stool and i have a history of ttp had that twice now what should i do?????????
found blood 
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