The University of Missouri Research Reactor Center is the world's most powerful university research reactor. It is one of only six public universities in the United States with a school of medicine, veterinary medicine, engineering, agriculture, and law all on one campus.
Stomach Flu Symptoms: Cramps and Nausea. Stomach flu causes inflammation of the lining of the stomach, small intestine, and large intestine. Viral gastroenteritis is highly contagious and affects millions of people around the world every year with vomiting, watery diarrhea, headache, fever, chills, and abdominal pain and cramping.
I have been having severe pains in the stomach (stabbing feeling and feels as if my stomach is tied in knots). I am having pain in my left side and my back, nausea, and I threw up yesterday. I am having cramping in my abdomen, but that is more than likely because I am on my menstral cycle.