Alcohol intoxication refers to the physiological state of high level of ethanol in bloodstream. It happens when the quantity of alcohol the person consumes exceeds the individual's tolerance for alcohol and produces behavioral or physical abnormalities. Alcohol intoxication is also known as drunkenness. A person's mental and physical abilities will be affected by alcohol intoxication. The symptoms of alcohol intoxication includes slurred speech, euphoria, poor coordination, impaired balance flushed face, reduced inhibition, erratic behavior, and reddened eyes. Alcohol intoxication can cause ataxia, coma, and even death if left uncontrolled. Alcohol intoxication is a principal drug addiction in many countries of the world.