Why Does Alcohol Dehydrate You? Tips to Minimize Dehydration and How to Rehydrate Quickly

We humans have been making and drinking alcohol for thousands of years. As a drop of sweat evaporates from your skin, it takes a small amount of heat with it. The more sweat you produce, the more evaporation there is, and the more you’re cooled off.

  • Chronic dehydration is when you don’t get enough fluids to meet your needs over a long period.
  • Get immediate medical help if you’re showing any of these signs and symptoms.
  • Another symptom is darker urine (such as the color of apple juice).
  • The information we provide is not intended to be a substitute for professional medical advice, diagnosis or treatment.

All of these beverages also can have mild diuretic effects on the body. There are many different beverages to choose from too keep you hydrated throughout the day. Although plain, old water is an obvious choice, some people also turn to sports drinks and coconut water to keep their body hydrated. Drinks with a higher alcohol content may increase the risk of constipation. However, long-term drinking may cause a person to develop diarrhea or faster bowel emptying. Alcohol consumption causes dehydration because it removes the necessary water from the body.

Risk factors

Drinks with a lower alcohol content, such as wine or beer, can cause the motility to increase, which could lead to diarrhea. Choosing a lower – not necessarily a low – alcohol content drink can help you stay hydrated for longer. Drinks with a high alcohol content will dehydrate you more severely and more quickly. So the less alcohol that’s in your system, the easier it is to stay hydrated. Drinking on an empty stomach will speed up your blood alcohol levels so you get both drunk and dehydrated faster. Before your night out, make sure you have a good meal with plenty of carbs, such as rice, pasta, or potato.

does drinking alcohol cause dehydration

That said, being dehydrated before drinking alcohol could cause your blood alcohol concentration to increase more quickly. Drinks that contained electrolytes—milk and oral rehydration solutions, for example—were more hydrating after two hours compared to water. [6] In other does alcohol dehydrate you words, subjects peed less relative to their fluid intake two hours after consuming these drinks compared to water. Dehydration is caused when you are not consuming enough fluids to replace your fluid losses. Different variables can increase the risk of becoming dehydrated.

Alcohol Abuse and Your Lungs

This can be from not drinking enough water or when you lose water quickly from sweating, vomiting or diarrhea and don’t match the losses. When you’re dehydrated, you have a lack of water in your body and your body doesn’t have enough water to perform its necessary functions. One glass of liquor drunk slowly over the course of an evening will be less dehydrating than having several beers or glasses of wine during the same time frame.

  • Often, fever can cause you to sweat so much that if you don’t drink to replenish, you could end up dehydrated.
  • According to the CDC, heavy drinking equates to more than three drinks per day or eight drinks per week for females and more than four drinks per day or 15 drinks per week for males.
  • This happens at a rate of about one beer, a small glass of wine, or one shot of liquor per hour.

Your doctor may use a blood test to check your level of electrolytes, which can help indicate fluid loss. A blood test can also check your body’s level of creatinine. This helps your doctor determine how well your kidneys are functioning, an indicator of the degree of dehydration. “Incorporate water before, during and after [alcohol] consumption to help combat that water and electrolyte loss.” A healthcare provider will likely order a blood test to check your electrolytes, including sodium, potassium, magnesium, and calcium.