The fastest way to stop throwing up when hungover is to give your stomach a complete rest, then slowly reintroduce fluids starting with small sips of water or ice chips. Hangover vomiting is your body’s response to real chemical irritation in your stomach and digestive tract, not just “overdoing it.” Understanding what’s happening makes it easier to work with your body instead of against it.
Why Hangovers Make You Throw Up
When you drink, your body breaks alcohol down into a toxic byproduct called acetaldehyde. Small amounts of this compound are produced directly in your gastrointestinal tract, damaging the tissue lining your stomach and triggering nausea. At the same time, alcohol increases acid production and inflames the stomach wall. Your body responds to all this irritation by trying to empty the stomach.
There’s also a blood sugar component. Your liver is responsible for both processing alcohol and keeping your blood sugar stable, but it can’t do both well at once. It prioritizes clearing alcohol, which means your blood sugar can drop significantly, especially if you didn’t eat much while drinking. Low blood sugar on its own causes nausea, weakness, and shakiness, compounding the urge to vomit.
Step by Step: Calming Your Stomach
Stop trying to eat or drink anything for the first stretch after vomiting. Your stomach needs a window of total rest. Once you’ve gone without vomiting for a bit, start with ice chips or a popsicle. Don’t gulp water. The goal is to let tiny amounts of liquid absorb without triggering another round.
Once ice chips stay down, move to small sips of clear liquids: water, diluted apple juice, or broth. Keep everything flat and clear. Carbonated drinks and anything you can’t see through are more likely to irritate your stomach at this stage. Sip slowly over 15 to 20 minutes rather than drinking a full glass at once.
After you’ve tolerated clear liquids for several hours, you can try bland solid foods. Crackers, plain toast, bananas, white rice, or plain oatmeal are all gentle enough to test. If any of those come back up, return to clear liquids and wait longer before trying again.
Rehydration That Actually Works
Plain water helps, but vomiting depletes sodium, potassium, and other electrolytes that water alone won’t replace. An oral rehydration solution is more effective at restoring what you’ve lost. You can make one at home using the World Health Organization’s recipe: half a teaspoon of salt and two tablespoons of sugar dissolved in about four cups of water. The sugar isn’t just for taste. It activates a transport mechanism in your intestine that pulls sodium and water into your bloodstream much faster than plain water can.
Store-bought electrolyte drinks work too, though many contain more sugar than necessary. Avoid anything with caffeine or high acidity (like orange juice), which can make nausea worse.
Fixing the Blood Sugar Drop
Low blood sugar is a major contributor to feeling terrible the morning after drinking. Your liver deprioritizes blood sugar regulation while it processes alcohol, and if you went to bed without eating, your levels may have been dropping for hours. Liquid sugars like juice or soda absorb quickly but don’t provide lasting stability. Solid food with complex carbohydrates, like toast or oatmeal, digests more gradually and does a better job keeping your blood sugar steady over the next few hours.
If you’re too nauseated for solids, the sugar in your rehydration solution will at least provide some glucose while your stomach settles enough for real food.
Ginger for Nausea Relief
Ginger is one of the few natural remedies with real clinical backing for nausea. Studies on pregnancy-related nausea found that 1,000 to 1,500 milligrams per day, split into several doses, significantly reduced symptoms. For a hangover, ginger tea, ginger chews, or even ginger capsules (around 250 mg at a time) can help take the edge off. Fresh ginger steeped in hot water is a simple option. Avoid ginger ale from the store, which typically contains very little actual ginger and is carbonated, both of which make it a poor choice when you’re actively vomiting.
What Not to Take
Reaching for painkillers is tempting, but your choices are limited when alcohol is still affecting your system. Aspirin and ibuprofen irritate the stomach lining, which is already inflamed from alcohol. Taking them while nauseated can make vomiting worse or, in some cases, contribute to stomach bleeding.
Acetaminophen (Tylenol) carries a different risk. Combined with alcohol, it can cause serious liver damage. If your body is still processing last night’s drinks, your liver is already under strain. Adding acetaminophen to that workload is genuinely dangerous. If you need pain relief, wait until you’ve stopped vomiting and enough time has passed that alcohol is likely cleared from your system, then ibuprofen with food is the safer option.
Positioning and Physical Comfort
How you position your body matters more than you’d think. Lying flat can increase nausea and creates a choking risk if you vomit. Prop yourself up at an angle, or lie on your side with your head elevated. A cool, damp cloth on your forehead or the back of your neck can reduce the sensation of nausea. Fresh air helps too. If you can sit near an open window or step outside, the change in temperature and airflow often provides temporary relief.
Some people find relief from pressing firmly on the inside of the wrist, about three finger-widths below the base of the palm, between the two tendons. This is the P6 acupressure point, used in anti-nausea wristbands. The evidence for this technique is stronger for preventing nausea than for stopping active vomiting, but it’s free, harmless, and worth trying while you wait for your stomach to settle.
When Vomiting Becomes Dangerous
Most hangover vomiting is miserable but not medically dangerous. It becomes a problem when you can’t keep any fluids down for more than 12 hours, because dehydration escalates quickly. Signs that you need emergency help include vomiting blood or material that looks like coffee grounds, which indicates stomach bleeding.
It’s also important to recognize the line between a bad hangover and alcohol poisoning, which can be fatal. The warning signs are distinct: breathing that drops below eight breaths per minute, gaps of more than 10 seconds between breaths, seizures, skin that looks blue or gray, low body temperature, or inability to stay conscious. If someone is showing these symptoms, that’s a 911 situation, not a “sleep it off” situation. Alcohol poisoning kills by suppressing the brain’s ability to control basic life functions like breathing and temperature regulation.
Preventing Vomiting Next Time
Eating a substantial meal before drinking is the single most effective way to prevent hangover vomiting. Food slows alcohol absorption, reduces peak blood alcohol levels, and gives your liver a head start on maintaining blood sugar. Meals with fat and protein are especially effective because they take longer to digest.
Alternating alcoholic drinks with water throughout the night reduces total alcohol intake and keeps you better hydrated going in. Darker liquors like bourbon, whiskey, and red wine contain higher levels of compounds called congeners, which are byproducts of fermentation that worsen hangovers. Clearer options like vodka and gin produce fewer of these irritants. And the obvious one: drinking less. Your body can process roughly one standard drink per hour. Exceeding that pace is what leads to acetaldehyde buildup, stomach irritation, and the vomiting that follows.