carbon monoxide. 1. a colorless, odorless, poisonous gas, CO, that burns with a pale-blue flame, produced when carbon burns with insufficient air: used chiefly in organic synthesis, metallurgy, and in the preparation of metal carbonyls, as nickel carbonyl. Origin of carbon monoxide. 1870-1875.
Indigestion is often a sign of an underlying problem, such as gastroesophageal reflux disease (GERD), ulcers, or gallbladder disease, rather than a condition of its own. Also called dyspepsia, it is defined as a persistent or recurrent pain or discomfort in the upper abdomen. The symptoms of indigestion include:
Constipation is one of the symptoms often associated with irritable bowel syndrome (IBS). The key symptom of IBS is abdominal pain. The pain is associated with a change in the frequency or consistency of bowel habit. The altered bowel habit may be chronic or recurrent constipation, or diarrhea. Some people have both constipation and diarrhea, just at different times.