Hangover nausea typically peaks the morning after drinking, once your blood alcohol level drops to near zero, and can last up to 24 hours. You can’t make it vanish instantly, but several strategies will meaningfully shorten and ease it. The key is addressing the multiple things going wrong at once: dehydration, an irritated stomach lining, low blood sugar, and a toxic byproduct your liver is still processing.
Why Alcohol Makes You Nauseated
Your liver breaks alcohol down into a compound called acetaldehyde, which is significantly more toxic than alcohol itself. When acetaldehyde builds up faster than your body can clear it, it triggers nausea, facial flushing, and a racing heart. People who naturally process acetaldehyde more slowly (common in East Asian populations) tend to experience these effects more intensely.
At the same time, alcohol directly irritates the lining of your stomach and increases acid production. It also acts as a diuretic, making you urinate far more than the volume of fluid you’re taking in. That pulls electrolytes like sodium, potassium, and magnesium out of balance. The combination of a chemically irritated gut, dehydration, and electrolyte disruption is what produces that distinctive morning-after queasiness.
Rehydrate Before Anything Else
Replacing lost fluid is the single most impactful thing you can do. Water works, but drinks containing electrolytes (sports drinks, oral rehydration solutions, or even broth) work better because they replace the minerals you lost overnight. A good benchmark: keep drinking fluids until your urine is clear or pale yellow. Sip slowly rather than gulping, since a stomach that’s already upset can reject a large volume of liquid and make nausea worse.
Broth deserves special mention. It delivers sodium, potassium, and fluid in one package, and its warmth can be soothing when solid food feels impossible. Coconut water is another option that’s naturally high in potassium. Avoid coffee in the early stages. Caffeine is a mild diuretic and can further irritate your stomach lining, though a small amount later in the day is fine if you’re already rehydrated.
Eat Something, Even If You Don’t Want To
Alcohol disrupts your body’s ability to maintain blood sugar levels overnight, and low blood sugar contributes to nausea, shakiness, and fatigue. Eating pulls double duty: it raises blood sugar and gives your stomach something to work with besides acid.
Stick to bland, easy-to-digest foods. Good choices include plain toast or crackers made with white flour, bananas, applesauce, plain rice, eggs, broth-based soup, or a small portion of oatmeal. These are soft, low in fiber, and unlikely to further irritate your stomach. Eat small amounts at a time and chew slowly. A full plate can feel overwhelming, but even a few bites of toast with a banana will help stabilize your blood sugar.
Skip greasy, spicy, or heavily seasoned food. The popular idea that a greasy breakfast “soaks up” alcohol is a myth at the hangover stage. Grease is harder to digest and can make nausea worse. Fat before drinking may slow alcohol absorption, but after the fact, it just adds work for an already struggling digestive system.
Ginger for Nausea Relief
Ginger is one of the best-studied natural remedies for nausea of all kinds, including motion sickness, pregnancy-related nausea, and medication side effects. Clinical trials have used doses ranging from 500 mg to about 1 gram, taken several times daily. For hangover purposes, you don’t need to be precise. A cup of ginger tea (made from fresh sliced ginger steeped in hot water, or a ginger tea bag), ginger chews, or even flat ginger ale with real ginger can help settle your stomach. The active compounds in ginger speed up stomach emptying and reduce the signals that trigger the urge to vomit.
Over-the-Counter Options That Help
Bismuth subsalicylate (the active ingredient in Pepto-Bismol) is specifically designed to treat upset stomach, heartburn, indigestion, and nausea. For adults, the standard dose is two tablets or two tablespoons of liquid every 30 minutes to an hour as needed, up to a maximum of 16 tablets or 16 tablespoons of regular-strength liquid in 24 hours. It works by coating the stomach lining and reducing inflammation.
Antacids like calcium carbonate (Tums) can also help if acid reflux or heartburn accompanies your nausea. They neutralize stomach acid quickly, though the relief is temporary.
For headache that comes alongside nausea, ibuprofen is generally a safer choice than acetaminophen (Tylenol) when alcohol is involved. Acetaminophen is processed by the liver, and your liver is already working overtime to clear alcohol byproducts. A normal one-time dose after a single night of drinking is unlikely to cause harm, but if you drink regularly or heavily, the combination can deplete a protective compound in your liver and increase the risk of liver damage. Acetaminophen toxicity accounts for nearly half of acute liver failure cases in North America, and alcohol use is a significant contributing factor. If you have any history of liver disease, avoid acetaminophen entirely after drinking.
Rest and Timing
Sleep is genuinely therapeutic here. Alcohol fragments your sleep cycles, so even if you slept for eight hours, you likely got poor-quality rest. Your body clears acetaldehyde and restores electrolyte balance faster when you’re not taxing it with activity. If you can, go back to sleep or at least lie down in a comfortable position. Lying on your left side can reduce acid reflux symptoms.
Most hangovers resolve within 24 hours. Nausea is typically one of the earlier symptoms to fade, often improving significantly once you’ve rehydrated and gotten some food down. If your nausea is so severe that you can’t keep any fluids down for several hours, or if you’re vomiting blood or bile, that’s a sign of something more serious than a standard hangover.
What Doesn’t Work
“Hair of the dog,” or drinking more alcohol to ease a hangover, temporarily masks symptoms by raising your blood alcohol level again. It delays recovery and adds to the total toxic load your liver has to process. It does not fix anything.
Hangover supplement pills and IV drip services are a booming market, but the evidence behind them is thin. A 2022 review that evaluated 23 substances marketed as hangover remedies found that all of them had low-quality evidence. Only a handful showed any potential benefit at all, and the strongest effects were seen with clove extract and a compound resembling vitamin B6, neither of which are in most commercial hangover products. Save your money and focus on hydration, food, and rest.
Preventing Nausea Next Time
The most reliable way to reduce hangover nausea is to drink less. Beyond that, a few strategies make a measurable difference. Eating a substantial meal before drinking slows alcohol absorption and reduces the peak acetaldehyde your body has to handle. Alternating each alcoholic drink with a glass of water cuts down on total dehydration. Darker liquors (bourbon, red wine, brandy) contain higher levels of compounds called congeners, which are fermentation byproducts that worsen hangovers. Lighter-colored drinks like vodka, gin, and white wine tend to produce less severe morning-after symptoms.
Drinking a glass of water and eating a small snack before bed won’t eliminate a hangover, but it gives your body a head start on rehydration and blood sugar recovery while you sleep.