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:
Indigestion is pain and burning in the upper abdomen, an feeling of fullness after a meal, belching, and gas. Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more. Lactose intolerance, or the inability to digest lactose, leads to gas, bloating, and other symptoms.