Alcohol affects the liver, that is the main side effect of alcohol catabolism. It is assumed that the reversible fatty infiltration of the liver is a consequence of excessive alcohol consumption. What   connection, if any, exists between this infiltration and cirrhosis of the liver is still unknown. Acute intoxication may be associated with hypoglycemia, which, if not recognized in time, can cause the death of a person who is intoxicated.
 
Severe chronic alcoholism may influence the development of gastritis, achlorhydria and gastric ulcer. Sometimes diseases of the small intestine, pancreas and insufficiency of the gland are connected with alcohol consumption. Severe alcohol abuse may interrupt the normal process of digestion and absorption. As a result, eaten food is poorly digested.
 
Alcohol abuse violates the ability of the small intestine to absorb various nutrients, including vitamins and amino acids. Side effect of alcoholism is a muscular weakness. Shown that alcohol disrupts the heart work even in people who are not alcoholic. It increases cardiac output at rest, the speed of heart beat and myocardial oxygen consumption. Chronic excessive consumption of alcohol can cause cardiomyopathy.