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.
Some Common Causes. Sometimes a muscle spasm in the stomach will occur when one is constipated. Once the constipation has been successfully dealt with, the spasms will cease. Pressure is one of the possible causes of a stomach spasm or cramp. Remove the pressure, or the source of the pressure, and the stomach muscles will stop misbehaving. Dehydration is another common cause.