Prevent a Hangover: 7 Proven Ways to Stop It Before It Starts

A hangover can turn a fun night into a miserable morning. Headache, nausea, fatigue, thirst, brain fog, and sensitivity to light are all common symptoms that can follow drinking alcohol. The good news is that many hangovers can be reduced or even avoided by planning ahead.

If you want to prevent a hangover before it starts, the key is to drink smarter, pace yourself, and support your body before, during, and after alcohol intake. No method is guaranteed to eliminate a hangover completely, especially if you drink heavily, but these seven proven strategies can significantly lower your risk. They also make it easier to enjoy the evening without paying for it the next day.

1. Eat a Real Meal Before Drinking

One of the simplest ways to prevent a hangover is to avoid drinking on an empty stomach. Food slows the absorption of alcohol, which helps keep your blood alcohol concentration from rising too quickly. That slower rise can reduce the intensity of both intoxication and next-day symptoms.

The best pre-drinking meal includes:

• Protein, such as chicken, eggs, fish, tofu, or Greek yogurt
• Healthy fats, such as avocado, nuts, or olive oil
• Complex carbohydrates, such as brown rice, oats, whole grains, or sweet potatoes

A balanced meal helps your body process alcohol more steadily. Fatty, salty, or high-carb snacks may help a little, but a full meal is more effective than grazing on chips or bread alone. A proper meal also gives you a better chance of keeping your energy level stable through the evening, which matters because low blood sugar can make hangover symptoms feel worse.

If you are planning to drink later in the evening, eat a normal meal earlier in the day too. Skipping meals makes it easier for alcohol to hit harder and faster, which can make the next morning feel worse. Even if your plans change and you eat late, having something substantial before your first drink is still a smart move.

For example, a plate with grilled salmon, brown rice, and vegetables will usually support you better than a few crackers before a night out. The goal is not to “soak up” alcohol completely; it is to slow absorption enough to reduce the strain on your body.

2. Hydrate Before You Start Drinking

Alcohol acts as a diuretic, which means it can increase fluid loss. Dehydration is a major reason hangover symptoms become worse the next day. It can contribute to headache, dry mouth, dizziness, and a general sense of exhaustion.

To lower that risk, drink water before you start consuming alcohol. A good rule is to have a glass or two of water in the hours leading up to drinking. If you’ve already been active, in the sun, or sweating, hydration matters even more. Starting the night slightly dehydrated makes it easier to feel rough later, even if you do everything else right.

For best results:

• Drink water throughout the day
• Avoid showing up already dehydrated
• Consider an electrolyte drink if you’ve been sweating or haven’t had enough fluids

Hydration will not “cancel out” alcohol, but it can make a noticeable difference in how you feel afterward. It is especially useful if you know the evening will be long, the venue is warm, or you will be dancing, walking, or staying outside for several hours.

For more background on alcohol and the body, see the National Institute on Alcohol Abuse and Alcoholism’s overview of alcohol metabolism.

It also helps to remember that water works best as part of a larger plan. If you drink quickly, skip meals, and stay up late, hydration alone will not fully prevent a hangover.

3. Choose Drinks Wisely

Not all alcoholic drinks affect people the same way. Congeners, which are byproducts formed during fermentation and aging, can contribute to hangover severity. Darker drinks often contain more congeners than clearer ones, and that can make some beverages feel harsher the next day.

In general, drinks with fewer congeners may be less likely to trigger a bad hangover, such as:

• Vodka
• Gin
• Light rum
• Clear tequila

Drinks more likely to lead to worse hangovers for some people include:

• Whiskey
• Bourbon
• Brandy
• Dark rum
• Red wine

Mixers matter too. Sugary cocktails can make you feel worse by increasing total sugar intake and making it easier to drink too much. If you want to reduce hangover risk, keep your drink choices simple and avoid overly sweet mixed drinks. A long island, a frozen cocktail, or multiple sweet drinks in a row can be easy to overconsume because the alcohol taste is masked.

If you already know that certain beverages hit you harder, make those your first cut when you try to prevent a hangover. The best personal strategy is the one that reflects how your own body responds, not just general rules.

Some people also find that carbonation makes them drink faster or feel alcohol sooner. While this does not affect everyone the same way, it is another reason to pay attention to what you order and how quickly you finish it.

4. Set a Drinking Limit and Stick to It

The more alcohol you drink, the more likely you are to get a hangover. This is one of the most important facts to understand. There is no magical drink or supplement that can fully protect you from excessive alcohol consumption. Once intake gets high enough, hangover risk rises sharply.

Before you start drinking, decide how many drinks you will have. A standard drink is usually:

• 12 oz beer
• 5 oz wine
• 1.5 oz distilled spirits

Pacing yourself is just as important as limiting quantity. Try these habits:

• Sip slowly
• Avoid shots
• Space drinks out over time
• Stop before you feel “buzzed enough” to keep going

Many people underestimate how quickly alcohol adds up, especially at social events. Planning your limit in advance can help you avoid drinking more than your body can handle. If you are out with friends, it can help to decide on a stopping point before the first round rather than after your judgment is already changing.

Set your limit before the first round, not when you are already trying to catch up with everyone else. This is one of the most practical ways to prevent a hangover because it reduces the total alcohol load that your body has to process.

It is also worth remembering that drink size and strength can vary a lot. A large beer, a generous pour of wine, or a cocktail with more than one shot may count as more than one standard drink. That is why “just a couple of drinks” can sometimes end up being more than expected.

5. Alternate Alcohol With Water

Even if you hydrate before drinking, you should continue hydrating while you drink. Alternating alcohol with water can help you consume less alcohol overall and reduce dehydration. It also gives you a natural pause between drinks, which can slow the pace enough to make a difference.

A common strategy is:

• One alcoholic drink
• One glass of water
• Repeat

This simple habit can slow your drinking pace and help you stay more aware of how much you’ve had. It also reduces the dry mouth, thirst, and headache that often show up the next day. For many people, the pause between drinks is just as helpful as the water itself, because it creates a moment to check in with how they feel.

If plain water feels boring, sparkling water with lime can be a good substitute between drinks without adding sugar or alcohol. Herbal tea, if available later in the evening, can also be a soothing nonalcoholic option.

For many people, this is one of the easiest habits to keep if they want to prevent a hangover without changing the whole social experience. It is simple, low-cost, and easy to repeat throughout the night.

Another benefit is that alternating water can make it less likely that you over-order. You spend more time noticing the flavor and effect of each drink, which can help you stay within your limit.

6. Avoid Drinking When You’re Tired, Stressed, or Sick

Your body handles alcohol better when you’re well-rested and healthy. If you’re sleep-deprived, emotionally drained, or already fighting off an illness, you may be more vulnerable to a hangover. Even a moderate amount of alcohol can feel more intense when your body is already under strain.

Alcohol can also disrupt sleep quality, even if it makes you feel drowsy at first. Poor sleep can make the next morning feel much worse. That is one reason people sometimes feel especially miserable after a night of drinking followed by too little rest.

Try to avoid heavy drinking when:

• You’re exhausted
• You haven’t eaten enough
• You’re recovering from illness
• You’re already dehydrated
• You’re taking medications that interact with alcohol

When your body is under stress, alcohol has a bigger impact. Protecting your baseline health is one of the most overlooked ways to reduce hangover symptoms. If you are already run down, the safest way to prevent a hangover may be to skip alcohol altogether.

This advice matters even more during busy weekends, holiday parties, travel, or periods of emotional stress. Those are the times when people often drink without checking in on how tired they already are. A better choice may be to have one drink, choose a lower-alcohol option, or stop early and head home.

7. Don’t Mix Alcohol With Other Substances

Mixing alcohol with energy drinks, nicotine, cannabis, or certain medications can intensify side effects and make it harder to notice how intoxicated you are. That can lead to drinking more than intended and feeling worse the next day. It can also raise safety risks in the moment, not just the next morning.

This is especially important with:

• Sleep aids
• Anxiety medications
• Pain relievers
• Allergy medications
• Antidepressants
• Stimulants or energy drinks

Alcohol can also interact dangerously with many prescription and over-the-counter drugs. If you’re unsure whether a medication is safe with alcohol, check the label or ask a healthcare professional. Some combinations can increase drowsiness, affect breathing, worsen dehydration, or irritate the stomach.

Avoiding mixed substances is not just about hangover prevention. It is also a safety issue. If alcohol is combined with another substance, it becomes harder to predict how your body will react, and that uncertainty can lead to a much rougher morning.

This habit matters even more if you are trying to understand how alcohol can affect diabetes risk and blood sugar control. For people managing chronic conditions, the safest choice is to be especially cautious about any alcohol use.

If you take medications regularly, it is wise to review alcohol warnings before a night out instead of relying on memory or guesswork. That small step can help you avoid preventable problems.

What Actually Causes a Hangover?

To prevent a hangover effectively, it helps to understand why it happens. Hangovers are caused by a combination of factors, including:

• Dehydration
• Irritation of the stomach lining
• Changes in blood sugar
• Poor sleep quality
• Inflammation
• Alcohol breakdown products, such as acetaldehyde
• Congeners in certain drinks

This is why drinking water alone is not always enough. A good prevention plan addresses several causes at once: food, hydration, pacing, drink choice, and overall alcohol intake. When you stack several small protections together, the effects are usually stronger than any single trick.

It also explains why people can react differently after similar amounts of alcohol. Body size, sex, genetics, sleep, medications, and how quickly you drink can all influence how badly you feel the next day. In other words, there is no one-size-fits-all fix.

The more of these factors you control, the easier it becomes to prevent a hangover rather than treat one after the fact. That is the real goal: less damage before it starts, not just more relief after the damage is done.

According to the Cleveland Clinic, hangovers are linked to dehydration, sleep disruption, stomach irritation, and inflammation, which is why prevention usually works better than chasing a cure later. For a medical overview, see the Cleveland Clinic’s guide to hangovers.

Common Questions About Preventing a Hangover

Does drinking water before bed prevent a hangover?

It can help, especially if you’ve been drinking for several hours. Water helps reduce dehydration, which is a major contributor to hangover symptoms. However, it won’t prevent a hangover if you’ve consumed a large amount of alcohol. Think of it as one helpful step, not a complete solution.

Is it better to eat before or during drinking?

Both can help, but eating before drinking is usually more effective because it slows alcohol absorption from the start. If you didn’t eat beforehand, eating during drinking is still better than drinking on an empty stomach. Ideally, do both: have a real meal and keep snack choices balanced.

Do hangover pills work?

Most hangover pills are not strongly supported by science. Some may help with hydration or vitamins, but they do not reliably prevent a hangover. The most effective prevention strategies are still drinking less, eating well, and staying hydrated. If a product promises to erase the effects of heavy drinking, that claim should be treated cautiously.

Can you prevent a hangover completely?

Not always. If you drink enough alcohol, especially quickly, a hangover can still happen. The goal is to reduce your risk and lessen symptoms, not rely on one trick to erase the effects. The best way to prevent a hangover completely is not to drink, but for many people, reducing intake and using smart habits can make a major difference.

What is the best drink to avoid a hangover?

There is no perfect drink, but clearer spirits with fewer congeners, such as vodka or gin, may be less likely to cause severe hangovers than darker liquors or red wine. Still, total alcohol consumed matters more than the type of drink. A small amount of any beverage is generally easier on your body than several strong drinks.

Are hangovers worse with carbonated drinks?

For some people, carbonated alcohol seems to absorb faster and feel stronger sooner. That can make it easier to overdo it, especially if the drink tastes light or sweet. If that describes you, pay close attention to pace and total number of drinks.

What should you do after drinking if you want to feel better the next day?

If you have already been drinking, the best next steps are simple: stop drinking, drink water, eat something light but nourishing, and get sleep. These steps will not erase a hangover, but they may reduce how severe it becomes. Avoid taking extra substances unless you know they are safe.

Practical Ways to Make Prevention Easier

It can be easier to prevent a hangover when you prepare before the event. That may mean eating before you go out, keeping water nearby, choosing a ride home in advance, or deciding on a drink limit before you leave the house. Small decisions made early are often more effective than trying to manage things later when you are already tired or impaired.

Here are a few simple planning tips:

• Eat a full meal before leaving home or before guests arrive
• Keep a water bottle or glass nearby
• Choose a drink you enjoy slowly instead of switching between many options
• Set a rough stop time, not just a drink count
• Plan the next morning so you can sleep a little longer if needed

These habits do not require perfection. They just make it less likely that you will drink too quickly or end the night in a way that leaves you feeling miserable. Consistency matters more than doing everything perfectly.

If alcohol is becoming a regular way to cope with stress, it may be worth stepping back and looking at the bigger picture. In that case, reducing frequency may help more than focusing only on next-day symptoms.

The Bottom Line

The most effective ways to prevent a hangover before it starts are simple: eat a solid meal, drink water, pace yourself, choose lower-congener drinks, and avoid mixing alcohol with other substances. The fewer drinks you have, the less likely you are to wake up with a hangover.

If you want to feel better the next day, plan before the first drink, not after the last one. Prevention works best when it starts early, and it works best when several habits are used together instead of depending on one miracle fix.

One extra reminder: the best strategy is the one you can actually follow consistently. Small changes often make the biggest difference. If you only remember one thing, remember this: to prevent a hangover, think ahead, drink slowly, and keep your body in a better place before the first sip.