One week ago I was awaken to sudden, horrible diarrhea.  After the diarrhea has persisted off and on for several hours, I had several bloody episodes.  The blood was bright red.  I was concerned and called my primary care doc.  She did a rectal exam and stool sample was positive for blood.  At that point we discussed options and possible causes for the blood.  I had recently been away on a business trip and had eaten unusual foods so the possiblity of food poisioning was there.  Nonetheless the blood was concerning so we agreed to wait 7-10 days.  At that time she wants me to do 3 stool samples to be tested for blood.  If they are positive for blood, she will schedule me for a colonoscopy. 

A little background on my health: I am 28 years old, female, very healthy.  In addition my dad was recently diagnosed with colon cancer and I have a grandfather with Chron's.

Until the last few days, I was pretty convinced I had UC/Chron's but now that I have not had anymore episodes of diarrhea or blood I'm not so sure. 

Any words of advice to help ease my mind would be appreciated.  Its hell waiting until the next testing can be done.