You can’t cure a hangover instantly, but you can shorten it and blunt the worst symptoms with the right combination of fluids, food, pain relief, and rest. Most hangovers peak once your blood alcohol level drops back to zero and can drag on for 24 hours or more. The goal is to address each symptom directly: headache, nausea, fatigue, and dehydration.
Why You Feel This Bad
A hangover isn’t just dehydration, though that’s part of it. Alcohol triggers a genuine inflammatory response in your body. Levels of inflammatory signaling molecules (the same ones your immune system releases when you’re fighting an infection) rise significantly during and after drinking, and their concentration is directly tied to how terrible you feel the next day. That’s why a hangover can feel like a mild flu: aching muscles, brain fog, sensitivity to light and sound.
Alcohol also irritates your stomach lining, disrupts your sleep architecture even if you were “out” for eight hours, and forces your liver into overdrive processing toxins. Your body burns through its stores of B vitamins and other nutrients in the process. All of this means there’s no single fix. You need to tackle several problems at once.
Rehydrate With More Than Water
Drinking water helps, but it’s only half the equation. Alcohol suppresses a hormone that tells your kidneys to hold onto fluid, so you lose both water and electrolytes (sodium, potassium) through frequent urination. Plain water replaces the fluid but not the electrolytes, and without enough sodium your kidneys just flush out what you drank.
An oral rehydration solution like Pedialyte outperforms plain water because it contains a precise ratio of sugar and salt designed to pull fluid into your bloodstream faster. Sports drinks work too, though they tend to have more sugar than you need. If you don’t have either on hand, you can improvise: add a pinch of salt and a small squeeze of juice to a glass of water. Aim to drink steadily over a couple of hours rather than chugging a liter at once, which can make nausea worse.
Choose the Right Pain Reliever
For a pounding headache, reach for ibuprofen (Advil) or naproxen (Aleve). Both reduce the inflammation driving your symptoms. Aspirin works too, though it can be rougher on an already-irritated stomach.
The one pain reliever to avoid completely is acetaminophen (Tylenol, Excedrin). Your liver is already working hard to clear alcohol byproducts, and acetaminophen taxes the same detox pathway. Combining the two depletes a protective compound in your liver called glutathione, which can lead to acetaminophen toxicity. This isn’t a theoretical risk: acetaminophen toxicity accounts for nearly half of acute liver failure cases in North America. If you’ve been drinking heavily, skip it entirely.
Settle Your Stomach
Nausea is often the symptom that makes everything else harder to fix, because you can’t hydrate or eat if you’re fighting the urge to throw up. Ginger is one of the most reliable natural options. It contains compounds that work directly in the stomach and intestines to calm nausea, and there’s also evidence it acts on the brain’s nausea center. You can use ginger tea, ginger chews, or capsules. Effective doses in studies range from 500 milligrams to 3 grams daily, but even a strong cup of fresh ginger tea can help take the edge off.
Avoid coffee on an empty, irritated stomach. Caffeine constricts blood vessels (which can help a headache) but it’s also a mild diuretic and a stomach irritant. If you want it, wait until you’ve gotten some food and fluid down first.
Eat Strategically
Your blood sugar drops after heavy drinking because your liver prioritizes alcohol metabolism over releasing stored glucose. That’s a big part of the shakiness, weakness, and brain fog. Eating is one of the fastest ways to feel more human.
Go for bland, easy-to-digest foods that combine carbohydrates with some protein and fat. Toast with eggs, a banana with peanut butter, or plain oatmeal are all solid choices. The carbohydrates raise your blood sugar, the protein and fat slow digestion so you don’t crash again, and none of them are likely to upset your stomach further. Greasy, heavy food is a popular hangover choice, but it can actually make nausea worse if your stomach lining is already inflamed.
Bananas deserve special mention because they’re rich in potassium, one of the key electrolytes you lost overnight. They’re also gentle enough to eat even when your appetite is nonexistent.
Rest, but Don’t Just Lie There
Sleep is legitimately restorative during a hangover. Alcohol disrupts your normal sleep cycles, so even a long night of drinking-sleep leaves you under-rested. A 60 to 90 minute nap, if you can manage one, lets your body do real repair work.
That said, staying horizontal on the couch all day isn’t always the fastest route to recovery. Light movement, even a slow walk around the block, gets your circulation going and can help clear that heavy, foggy feeling. Don’t push into anything strenuous; your body is already under stress and your coordination may still be off.
What Doesn’t Work
“Hair of the dog,” or drinking more alcohol the next morning, delays your hangover rather than curing it. You’re simply resetting the clock. Your body still has to process everything eventually, and you’ll feel it later, often worse.
Activated charcoal is another popular suggestion that falls flat. It works by binding to substances in your digestive tract, but alcohol absorbs into your bloodstream far too quickly for charcoal to catch it. By the time you’re hungover, the alcohol is long past your stomach.
Supplements like dihydromyricetin (DHM), often marketed as a hangover pill, are still being studied in early-phase clinical trials. There’s not yet enough human data to confirm they work at specific doses. B vitamins are worth taking if you drink regularly, since alcohol depletes your body’s stores of B1, B6, B12, and folate over time. But popping a B-complex the morning after is unlikely to produce a noticeable difference in how you feel that day.
The Fastest Realistic Timeline
Hangover symptoms peak once your blood alcohol level hits zero, which for a heavy night of drinking might not happen until late morning. From that peak, most people start feeling noticeably better within 6 to 8 hours if they hydrate, eat, take a pain reliever, and rest. Milder hangovers can clear in just a few hours with the right approach. Severe ones can linger a full 24 hours or longer, especially if you were drinking on an empty stomach or mixing types of alcohol.
The single most effective thing you can do right now is drink an electrolyte solution, eat something bland, take ibuprofen if your head is pounding, and give yourself permission to rest. There’s no magic bullet, but hitting all four of those at once gets you back to functional faster than any single remedy on its own.