There is no instant cure for a hangover. Alcohol takes around 24 hours to fully leave your body, and many hangover symptoms persist until that process is complete. But you can significantly reduce how miserable you feel within 30 to 60 minutes by targeting the specific things making you sick: dehydration, inflammation, low blood sugar, and poor sleep. Here’s what actually works, ranked by how fast you’ll notice a difference.
Why No Cure Can Be Instant
A hangover isn’t one problem. It’s several happening at once. Alcohol forces your kidneys to flush more water than you’re taking in, leaving you dehydrated. It disrupts your liver’s ability to regulate blood sugar, which causes shakiness and fatigue. It triggers an immune response, flooding your body with the same inflammatory molecules that make you feel awful when you’re sick. And it fragments your sleep, even if you were “out” for eight hours.
No single pill or drink addresses all of these at once. But stacking a few targeted remedies together is the closest thing to a fast fix.
Rehydrate With Electrolytes, Not Just Water
This is the single fastest thing you can do. Dehydration drives the headache, dizziness, and dry mouth that define most hangovers. Plain water helps, but adding electrolytes (sodium, potassium, magnesium) speeds absorption and replaces what alcohol flushed out overnight. Sports drinks, oral rehydration packets, or even a glass of water with a pinch of salt and a squeeze of citrus all work. Coconut water is another solid option because it’s naturally high in potassium.
Aim for at least 16 to 24 ounces in the first hour after waking. Most people notice their headache easing within 30 to 45 minutes of aggressive rehydration.
Take an Anti-Inflammatory, Not Acetaminophen
Ibuprofen or aspirin can reduce the inflammation-driven headache and body aches of a hangover. Research has shown that anti-inflammatory painkillers that block prostaglandins (the molecules driving that inflamed, achy feeling) can meaningfully reduce hangover severity. A study from the early 1980s demonstrated this with one such drug, and more recent pilot research has continued to confirm the link between hangover symptoms and immune-system inflammation.
One critical warning: avoid acetaminophen (Tylenol) when you’re hungover. Regular alcohol consumption changes how your liver processes acetaminophen, causing a toxic byproduct to accumulate and potentially damage liver cells. The American College of Gastroenterology advises that people who drink regularly should avoid acetaminophen entirely. Ibuprofen or aspirin are safer choices, though take them with food to avoid stomach irritation.
Eat Something Starchy and Salty
Alcohol suppresses your liver’s ability to regulate blood sugar, which is why you feel shaky, weak, and brain-fogged the morning after. Once alcohol clears your system, blood sugar begins to normalize on its own, but eating speeds this up considerably. Toast, crackers, rice, or a banana will raise your blood sugar gently without upsetting a sensitive stomach. Eggs are a particularly good choice because they contain an amino acid that helps your liver process alcohol’s byproducts.
Salty foods also help your body retain the water you’re drinking rather than flushing it straight through. A simple breakfast of toast, eggs, and a salty broth checks almost every box.
Caffeine Helps the Headache (With a Catch)
Coffee constricts the blood vessels that alcohol dilated overnight, which can ease a pounding headache quickly. It also counteracts the grogginess from disrupted sleep. The catch is that caffeine is a mild diuretic, so it works against your rehydration efforts. The fix is simple: drink a cup of coffee alongside extra water, not instead of it. One cup is enough. More than that tends to increase nausea and anxiety, both of which are already elevated during a hangover.
Sleep More If You Can
Alcohol disrupts your sleep architecture, cutting into the deep, restorative stages your brain needs. Even if you slept seven or eight hours, the quality was poor. If your schedule allows it, going back to sleep for even 90 minutes (one full sleep cycle) after hydrating and eating something small can make a dramatic difference in how you feel for the rest of the day. This is the closest thing to a reset button for a hangover.
What Doesn’t Work
“Hair of the dog” (drinking more alcohol) delays your hangover rather than curing it. You’ll feel temporarily better because alcohol numbs the symptoms it caused, but you’re adding to the total amount your body needs to process. The bill comes due later, often worse than before.
IV drip clinics have become popular in some cities, promising rapid hangover relief through intravenous fluids and vitamins. While IV fluids do rehydrate you faster than drinking water, there’s no strong evidence they resolve hangover symptoms any better than oral rehydration combined with the steps above. They’re expensive and carry the small but real risks of any needle-based procedure.
Prevention Works Better Than Any Cure
If you’re reading this before your next night out rather than the morning after, a few choices make a measurable difference. Darker alcohols like bourbon, whiskey, and red wine contain higher levels of congeners, chemical byproducts of fermentation that worsen hangovers. Research comparing bourbon and vodka drinkers found that bourbon produced significantly more severe hangovers. Beer also tends to be higher in congeners than clear spirits. Choosing vodka, gin, or other light-colored drinks won’t prevent a hangover, but it lowers the floor on how bad it gets.
Drinking a glass of water between every alcoholic drink slows your pace and cuts your dehydration roughly in half. Eating a substantial meal before drinking slows alcohol absorption, giving your liver more time to keep up. These aren’t glamorous tricks, but they’re the most effective ones that exist. The biology of a hangover doesn’t allow for a magic fix the morning after, so the best strategy is making the hangover less severe in the first place.