Can you sweat out alcohol?

By Trendy Publishing editorial team · Published 11 October 2026 · Sources

It's a stubborn myth — hit the gym, jump in a sauna, "sweat it out" and sober up quicker. The short answer is no. Your liver does almost all the work, and sweating barely touches the alcohol in your blood. Here's what's really happening.

The short answer

You cannot sweat out alcohol in any amount that matters. When you drink, your liver breaks down about 90% of the alcohol. The rest — only around 10% in total — leaves your body unchanged through your breath, your urine and, yes, a little through your sweat. But that fraction is fixed. Sweating buckets at the gym or in a sauna doesn't push more alcohol out; it just pushes out water.

So while a tiny trace of alcohol does leave in your sweat, "sweating it out" as a way to sober up faster simply doesn't work. The alcohol already in your bloodstream clears at a steady pace that no workout, sauna or cold plunge can speed up.

How your body actually clears alcohol

Once alcohol is absorbed from your stomach and small intestine into your blood, it travels everywhere — including your brain. From there, your body has to break it down, and the liver is the main engine. According to Healthdirect Australia, the liver takes about one hour to process a single standard drink (10 g of pure alcohol), and there is no way to speed it up.

That works out to your blood alcohol concentration (BAC) falling by roughly 0.015% per hour on average. The remaining small share of alcohol that your liver doesn't process leaves your body unchanged — through breath, sweat and urine. This is exactly why a breathalyser works: a measurable amount of alcohol crosses from your blood into the air in your lungs. But it's a by-product of elimination, not a shortcut you can crank up.

Does exercise sober you up?

No. This is one of the most common sobering-up myths, and it's been debunked by road-safety and health bodies alike. As MADD (Mothers Against Drunk Driving) puts it, only a small amount of alcohol leaves the body through sweat — not nearly enough to sober you up, because the liver does most of the work.

Exercise can make you feel more awake and clear-headed, and that's precisely the danger. Feeling alert and being sober are two different things. A brisk run or a hard gym session might lift the drowsy, sluggish feeling, but your BAC is unchanged — your judgement, reaction time and coordination are still impaired. "I worked out, I feel fine" is a classic way people talk themselves into getting behind the wheel when they shouldn't.

Is a sauna a good idea after drinking?

It's best avoided — and not just because it won't work. Combining alcohol with the heat of a sauna, spa or hot workout is genuinely risky.

• Double dehydration. Alcohol is a diuretic that makes you lose fluid, and sweating in heat loses you more on top. That can leave you dehydrated fast.
• Blood-pressure drop. Both alcohol and heat widen your blood vessels. Together they can drop your blood pressure sharply, causing dizziness, light-headedness or fainting.
• Heart strain. Your heart works harder in a sauna, and alcohol can disturb your heart rhythm. The combination is not one to test.
• Impaired judgement. You're less able to notice when you're overheating or in trouble, which makes passing out in a hot space more likely and more dangerous.

None of this clears a single extra gram of alcohol from your blood. A sauna after a big night adds risk without any of the benefit people hope for.

What actually lowers your BAC

Only one thing: time. Your liver works at its own fixed pace — about one standard drink an hour — and nothing hurries it along. Here's what doesn't help, no matter how often you've heard otherwise:

• Sweating, exercise or saunas — only ~10% of alcohol leaves via breath, sweat and urine combined, and you can't increase that.
• Coffee or energy drinks — caffeine makes you feel alert, but your BAC doesn't budge.
• Cold showers — you'll be wide awake and exactly as intoxicated as before.
• Water — it helps you rehydrate and may ease how you feel, but it doesn't remove alcohol any faster.
• Eating — food before or while you drink slows absorption, but once alcohol is in your blood, eating won't clear it quicker.

The useful takeaway: the best way to be sober sooner is to drink less and slower in the first place. Pacing yourself to around one standard drink per hour keeps your BAC from climbing faster than your liver can keep up.

Drink smarter in Australia

For context, the national guidance from DrinkWise and the Australian guidelines recommend healthy adults have no more than 10 standard drinks a week and no more than 4 in any one day to keep health risks low. On the road, the legal limit for full-licence drivers is under 0.05, and zero for learner and probationary drivers.

Because alcohol leaves on its own timetable, a heavy night can leave you over 0.05 well into the next morning. Sweating at the gym before work won't change that — only the hours will.

Frequently asked questions

Can you sweat out alcohol?

Not meaningfully. Your liver clears about 90% of the alcohol; only around 10% leaves through breath, sweat and urine combined, and sweating harder doesn't increase it. The alcohol in your blood clears at a fixed rate that sweating can't speed up.

Does exercise help you sober up faster?

No. Exercise may make you feel more alert, but it doesn't lower your BAC. Feeling alert is not the same as being sober, and your reaction time and judgement are still impaired.

Is it safe to use a sauna after drinking?

It's best avoided. Alcohol and heat both dehydrate you and lower your blood pressure, which can cause dizziness, fainting or an irregular heartbeat — and the sauna won't remove any alcohol from your blood.

What actually lowers your blood alcohol level?

Only time. The liver clears alcohol at about one standard drink an hour. Coffee, cold showers, food, water, exercise and sweating don't speed it up.