Endurance athletes frequently report gastrointestinal impairment during competition, which can include dangerous and debilitating conditions such as nausea, bloating, pain, vomiting, abdominal angina, bloody diarrhea, endotoxemia, hemorrhagic gastritis, and
ischemic colitis.28, 29 Causes of gut distress are considered multifactorial, with gastrointestinal ischemia being important, along with mechanical position (e.g. runners versus cyclists) and nutrition.
«Up until now, the only other prescription drug available to treat diarrhea was alosetron (Lotronex) which was only reserved for very severe cases since it can cause a potentially life - threatening condition called
ischemic colitis, which reduces blood flow to the large intestine,» explains Dr. Sam.