Eating something like bread before drinking alcohol will line your stomach, also drinking water between each alcoholic drink will make it less likely that you are sick or get a hangover. Mixing milk and alcohol is more likely to make you sick as the milk will curdle.
Bloating and distention may be due to increased amounts of gas in the abdomen, but there also are other causes. Sometimes intestinal gas that is associated with bloating can be accompanied by. 1  abdominal pain, 2  stomach cramps, 3  swelling of the abdomen, 4  fibromyalgia,  a feeling of knots in the stomach.
There can be many reasons for increased gas in the stomach. This can include the various causes of dyspepsia - such as ulcers, inflammation of the upper digestive tract, or GERD. Irritable bowel syndrome can given an increased sensation of gas. So can various types of malabsorption syndromes.