Abdominal cramping
Abdominal Pain and tenderness
Blood in the stool
Bowel movement urgency
A blood clot in an artery or in a vein
Bowel obstruction caused by a hernia, scar tissue, or a tumor
Certain medications
Heavy exercise
Surgery involving the heart or blood vessels, or the digestive or gynecological systems
Use of cocaine or methamphetamine
Gastroenterologist