My Symptoms Are As Follows, Last Night At The End

My symptoms are as follows, last night at the end of the day I started vomiting , first I have to say I ate a piec of truffle chocolate followed by crackers saltine , I vomited and shortly after I was having very uncomfortable pain in my colon area , in the morning when pooped and the stool had blood about a quarter of a cup or so I am now resting drinking liquids only , don't fell like eating, and my lower bowels are very sensitive , no pain.please help. Thank you.