Hangover nausea hits when your body is still processing alcohol’s aftereffects, and while there’s no instant cure, several strategies can ease the discomfort within an hour or two. The key is calming your irritated stomach lining, replacing lost fluids, and giving your body the right fuel to recover.
Why Alcohol Makes You Nauseous
Alcohol irritates the lining of your stomach directly. Drinks above 30% ABV (like straight liquor) can actually cause the muscle at the bottom of your stomach to spasm shut, trapping contents and delaying digestion. Even at lower concentrations, alcohol triggers your stomach to produce more acid than usual, leaving the lining inflamed by morning.
On top of the stomach irritation, your liver breaks alcohol down into a toxic byproduct called acetaldehyde. When this compound builds up in your bloodstream faster than your body can clear it, it triggers nausea, facial flushing, and headache. Some people produce less of the enzyme that clears acetaldehyde, which is why hangovers hit certain individuals much harder than others. By the time your blood alcohol drops to near zero (typically the next morning), the combination of stomach inflammation, dehydration, and lingering toxins creates that familiar wave of queasiness.
Rehydrate Before Anything Else
Alcohol is a diuretic, meaning you lose more fluid than you take in while drinking. That fluid loss concentrates stomach acid and slows your body’s ability to flush out irritants. Start with small, steady sips of water rather than gulping a full glass, which can make nausea worse. Adding a pinch of salt and a splash of juice to water, or drinking a sports drink, helps replace the sodium and potassium you lost overnight.
If plain water feels unappealing, try clear broth. It delivers both fluids and electrolytes, and the warmth can help relax stomach muscles. Coconut water is another option with naturally occurring potassium. The goal is to get roughly 16 to 24 ounces of fluid in during the first hour or two after waking, taken in small amounts.
What to Eat (and When)
Eating might be the last thing you want to do, but bland, easy-to-digest foods can settle your stomach faster than staying empty. The classic approach is the BRAT diet: bananas, white rice, applesauce, and white toast. These foods are low in fat and fiber, so they won’t further irritate your stomach lining or force your digestive system to work overtime.
Bananas are especially useful because they’re rich in potassium, which drops during heavy drinking. Plain crackers or dry cereal work similarly to toast if that’s what you have on hand. Avoid greasy, spicy, or acidic foods until the nausea passes. Citrus juice and coffee can both increase stomach acid production, so hold off on those until you’re feeling more settled. Start with a few bites, wait 15 to 20 minutes, and eat more if your stomach cooperates.
Over-the-Counter Options That Help
Bismuth subsalicylate (the active ingredient in Pepto-Bismol) is one of the more effective pharmacy options for hangover nausea. It works by forming a protective layer over the stomach lining, strengthening the barrier between your inflamed tissue and stomach acid. You can take a dose every 30 to 60 minutes as needed, up to eight doses in 24 hours. Many people notice some relief within 30 minutes of the first dose.
Antacids containing calcium carbonate (like Tums) can also help by neutralizing excess stomach acid directly. They work faster than bismuth subsalicylate but don’t last as long, so you may need to re-dose. If your nausea comes with acid reflux or a burning sensation in your chest, antacids are a good first choice.
Ginger and Peppermint for Nausea
Ginger has a long track record for settling nausea. Ginger tea, ginger chews, or even flat ginger ale (the carbonation itself can irritate your stomach, so let it go flat first) can help. The compounds in ginger appear to speed up stomach emptying, moving irritants along rather than letting them sit.
Peppermint works through a different mechanism. The menthol in peppermint has antispasmodic properties, meaning it relaxes the smooth muscles of your digestive tract. This can reduce the cramping and churning that make nausea feel worse. Peppermint tea is the simplest option. Even inhaling peppermint oil from the bottle or a tissue can provide mild relief for some people, since nausea signals travel partly through smell receptors.
Pain Relievers: Choose Carefully
If your hangover includes a headache alongside the nausea, your instinct might be to reach for a pain reliever. But the choice matters more than usual when alcohol is still clearing your system.
Acetaminophen (Tylenol) and alcohol are both processed by the liver. Case reports have suggested that even normal therapeutic doses of acetaminophen can cause liver damage in people who drink heavily. This doesn’t mean a single dose will harm you, but it’s the riskier option the morning after heavy drinking.
Ibuprofen (Advil, Motrin) is generally considered the safer choice for a hangover headache, but it comes with its own caveat. All anti-inflammatory pain relievers, including ibuprofen and aspirin, can irritate an already-inflamed stomach lining and increase the risk of gastrointestinal bleeding. If your primary symptom is nausea rather than headache, skip the pain reliever entirely and focus on the strategies above. Aspirin also interferes with alcohol metabolism in a way that can lead to higher blood alcohol levels and more mucosal damage, so it’s best avoided during active recovery.
What Won’t Work
“Hair of the dog,” or drinking more alcohol to ease a hangover, delays recovery rather than speeding it. It temporarily numbs symptoms by raising your blood alcohol level again, but it adds more toxins for your liver to process and extends the cycle of stomach irritation. You’ll feel the same nausea later, often worse.
Activated charcoal supplements, which are sometimes marketed for hangovers, don’t help either. Charcoal needs to be taken before or very shortly after ingestion to bind a substance in the stomach. By the time you’re hungover, the alcohol has long since been absorbed into your bloodstream.
When Nausea Signals Something Serious
A typical hangover feels miserable but resolves on its own within 24 hours. Certain symptoms, however, point to alcohol poisoning rather than a standard hangover. These include confusion or disorientation, seizures, difficulty staying conscious, and an inability to be woken up. Repeated vomiting that won’t stop, especially if it contains blood or looks like coffee grounds, also warrants emergency attention.
Alcohol poisoning occurs while blood alcohol is still dangerously high, whereas a hangover typically starts after blood alcohol has dropped to near zero. If someone passed out from drinking and can’t be roused, don’t assume they’re “sleeping it off.” A person who is unconscious and can’t be awakened is at risk of dying and needs immediate medical care.