When an alcoholic stops eating, it can have serious health consequences. Prolonged alcohol abuse can lead to malnutrition and damage to the liver and other vital organs, and not eating only exacerbates these problems. Additionally, alcohol can affect the digestive system, making it more difficult for the body to absorb nutrients. If an alcoholic has stopped eating, it is important to seek medical attention and possibly nutritional counseling to address the underlying health issues and develop a plan for proper nutrition.