Upper abdominal pain can be no big deal—or it can merit a trip to the ER. Here's how experts say you can tell the difference.

bloody diarrhea, or severe abdominal pain is present. Viruses are the major cause of gastroenteritis in the United States and indeed worldwide, accounting for up to 30% to 40% of acute episodes.

But earlier this month, the 15-year-old started to suffer from a fever and stomach pain, which she and her mother Brittany ...

and abdominal pain. Severe diarrhea lasts longer than a few days or causes bloody stools, fever, extreme pain, or unwanted weight loss; it warrants a trip to the doctor for possible further ...

The infection can cause belly pain, fever, and watery or bloody diarrhea. You may feel a sharp cramp in your stomach and lower belly area. The illness is common among young children, who usually ...

Inflammatory Bowel Disease is an incurable disease in which diarrhea and bloody excrement of unknown cause continue, and the ...

According to the CDC, E. Coli can cause dehydration, vomiting, bloody diarrhea and abdominal cramps, and can be deadly, in the worst-case scenario. The health agency advises that you should call ...

This strain produces a toxin that can damage the lining of the intestinal wall and cause severe infection and bloody diarrhea. Many patients will recover after bouts of abdominal cramps and ...