Drinking alcohol excessively can lead to a variety of side effects, including one that might alter the image you see when you look in the mirror. In addition to mood changes, weight gain and liver damage, drinking alcohol can also cause your body's tissues to become swollen, leading to a change in your appearance.When you drink alcohol, it results in a widening of your blood vessels, including those in your face.he widened blood vessels can lead to a swollen, puffy appearance, and can turn your face red. Over time, your facial blood vessels can burst, which causes the red color to be permanent. Alcohol consumption also leads to dehydration, which can cause you to become bloated.