Yes, alcoholics can become dehydrated due to excessive alcohol consumption. Alcohol is a diuretic, which means it can increase urine production and lead to dehydration. Chronic alcohol use can also damage the kidneys and liver, which can contribute to dehydration. It is important for individuals who are struggling with alcoholism to stay hydrated and replenish fluids lost due to alcohol consumption. Drinking plenty of water and other non-alcoholic fluids can help prevent dehydration and support overall health.