The fastest way to stop throwing up from a hangover is to let your stomach rest completely for 15 to 30 minutes, then begin sipping small amounts of fluid, about a teaspoon (5 mL) every five minutes. Hangover vomiting happens because alcohol directly inflames your stomach lining and triggers a wave of toxic byproducts your body is trying to clear. The nausea typically peaks around the time your blood alcohol level hits zero and can persist for up to 24 hours, but with the right approach you can shorten the misery considerably.
Why Alcohol Makes You Vomit
Alcohol at concentrations above 10 percent breaks down your stomach’s protective barrier and increases the permeability of the lining. Even a single episode of heavy drinking can cause mucosal inflammation and small hemorrhagic lesions in the stomach. This is essentially a mild case of gastritis, and it’s why your stomach feels raw and reactive the morning after.
On top of the direct damage, your liver converts alcohol into acetaldehyde, a toxic compound that lingers in your system even after your blood alcohol level reaches zero. Acetaldehyde accumulates especially in the gut, where the enzyme responsible for breaking it down works slowly. The combination of an inflamed stomach lining and circulating toxins is what keeps the nausea going well into the next day. Drinks with higher alcohol concentrations (above 15 percent) also delay stomach emptying, which makes that heavy, queasy feeling worse.
Step One: Let Your Stomach Rest
The instinct to immediately drink water or eat something is understandable, but putting anything into an actively revolting stomach usually triggers another round of vomiting. Stop eating and drinking for 15 to 30 minutes after your last episode. Lie on your side, not your back, so that if you do vomit again you won’t choke. Resist the urge to gulp water the moment the nausea backs off slightly.
Step Two: Rehydrate in Tiny Sips
Once the vomiting pauses, start with 5 mL (one teaspoon) of fluid every five minutes. This sounds absurdly small, but clinical rehydration protocols for vomiting patients show that the majority of people can keep fluids down at this volume and gradually increase from there. If you tolerate five minutes without vomiting, slowly bump up to a tablespoon, then two, spacing sips a few minutes apart.
Plain water works, but an oral rehydration solution or a diluted sports drink is better because alcohol depletes electrolytes alongside fluid. You can make a simple rehydration drink at home: half a teaspoon of salt and six teaspoons of sugar dissolved in a liter of water. Avoid anything carbonated, acidic (orange juice, coffee), or very cold, as all of these can re-irritate an already inflamed stomach lining. Room-temperature or slightly cool liquids are gentlest.
Ginger for Nausea Relief
Ginger is one of the most studied natural anti-nausea remedies, and the effective dose for reducing nausea falls between 1,000 and 1,500 mg per day. You can get this from ginger capsules, ginger chews, or about a thumb-sized piece of fresh ginger steeped in hot water as tea. A meta-analysis of studies found that doses under 1,500 mg daily were most effective for nausea relief specifically. The FDA recognizes up to 4 grams of ginger daily as safe, so there’s a wide margin.
If you can’t stomach the taste of ginger tea, ginger ale is a common substitute, but most commercial ginger ales contain very little actual ginger. Check the label for real ginger extract, or stick with ginger capsules from a pharmacy.
The Acupressure Trick That Works
There’s a pressure point on your inner wrist called PC6 (or P6) that has surprisingly solid evidence behind it. A large Cochrane review of 40 trials found that stimulating this point reduced nausea by about 32 percent compared to sham treatment, and it performed comparably to anti-nausea medications.
To find it: hold your arm out with your palm facing up. Place three fingers across your wrist starting at the crease where your hand meets your arm. The point is just below your three fingers, between the two tendons running up your forearm. Press firmly with your thumb in a circular motion for two to three minutes. You can also buy inexpensive acupressure wristbands (often marketed for motion sickness) that apply constant pressure to this spot.
Over-the-Counter Options
Bismuth subsalicylate (the active ingredient in Pepto-Bismol) is one of the better pharmacy options for hangover nausea. It works by scavenging the reactive oxygen molecules that alcohol generates in your stomach lining. Lab studies show it can reduce ethanol-induced cellular damage by 36 to 66 percent depending on dose. It also coats the irritated mucosa, giving it a buffer against further acid exposure. Follow the dosing instructions on the package.
Be careful with painkillers. Aspirin and ibuprofen can further irritate a stomach that’s already inflamed from alcohol. Acetaminophen (Tylenol) combined with alcohol that’s still being processed by your liver risks serious liver damage. If you need a pain reliever for a pounding headache, wait until you’ve stopped vomiting and have kept food down. At that point, a standard dose of ibuprofen taken with food is generally the safest bet, since your liver has had time to clear the alcohol.
When to Start Eating Again
Don’t rush food. Once you’ve gone a few hours without vomiting and can keep fluids down comfortably, start with the blandest foods you can find: plain crackers, white toast, white rice, bananas, or applesauce. These are easy to digest and unlikely to provoke more nausea. Avoid fatty, spicy, or dairy-heavy foods for the rest of the day, as your stomach lining is still recovering and fat slows digestion further.
Small portions matter more than what you eat. A few bites every 30 to 60 minutes is better than sitting down to a full meal. Your stomach’s motility is still sluggish from the alcohol, and overloading it will likely send you right back to the bathroom.
What Not to Do
Drinking more alcohol (“hair of the dog”) temporarily dulls hangover symptoms by slowing the metabolism of acetaldehyde, but it extends and worsens the cycle. You’re adding fresh inflammation to an already damaged stomach lining. Coffee is another common instinct that backfires: it’s acidic, increases stomach acid production, and acts as a diuretic when you’re already dehydrated. Skip both.
Forcing yourself to vomit when you feel nauseated but aren’t actively throwing up is also counterproductive. Each episode of vomiting further depletes fluids and electrolytes and puts additional mechanical stress on your esophagus and stomach. Let the nausea pass rather than inducing it.
The Realistic Timeline
Hangover symptoms, including nausea, typically resolve within 8 to 24 hours. The vomiting itself usually stops sooner than that, often within a few hours of waking, especially if you follow the small-sip rehydration approach. The lingering queasiness and lack of appetite can hang around most of the day. Time is genuinely the most important factor: your body needs to finish clearing acetaldehyde and your stomach lining needs to begin repairing itself.
Signs This Isn’t a Normal Hangover
Most hangover vomiting, while miserable, resolves on its own. But alcohol poisoning is a medical emergency and can look like a bad hangover in the early stages. If someone is vomiting while unconscious or semi-conscious, breathing slowly or irregularly, has blue-tinged or pale skin, has a seizure, or cannot be woken up, call emergency services immediately. At very high blood alcohol levels (0.2 percent and above), vomiting is accompanied by hypothermia, confusion, and potential respiratory depression. Don’t assume someone will “sleep it off” if they’re showing these signs.
Vomiting blood, or vomit that looks like dark coffee grounds, also warrants immediate medical attention. This can indicate that the alcohol caused bleeding lesions in the stomach lining, which occasionally happens even from a single episode of heavy drinking.