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.
1 Stomach Virus or Parasite. 2  Menstrual Cramps â Pain may be felt in the abdomen even it is from nearby organs, but not in the abdomen part (such as lower lungs, kidneys, uterus, or ovaries). 3  Gas â Can cause a bloated feeling and stomach cramps.4  Ulcers. Menstrual Cramps â Pain may be felt in the abdomen even it is from nearby organs, but not in the abdomen part (such as lower lungs, kidneys, uterus, or ovaries). 2  Gas â Can cause a bloated feeling and stomach cramps.