Alcohol poisoning is more than being very drunk. It’s a medical emergency where the amount of alcohol in your blood is high enough to shut down basic functions like breathing, temperature regulation, and your gag reflex. The key signs that separate alcohol poisoning from severe intoxication include irregular or very slow breathing, unresponsiveness, vomiting while unconscious, seizures, and skin that looks pale or bluish. If you’re seeing any of these in yourself or someone else, call 911 immediately.
Signs That Point to Alcohol Poisoning
Being drunk and having alcohol poisoning exist on a spectrum, which makes it hard to know when the line has been crossed. Ordinary drunkenness involves slurred speech, poor coordination, and impaired judgment. Alcohol poisoning goes further: the brain starts losing control of involuntary systems, the ones that keep you alive without you thinking about them.
The clearest warning signs include:
- Slow or irregular breathing. Fewer than eight breaths per minute, or gaps of 10 seconds or more between breaths, signals the brain is struggling to maintain respiratory function.
- Unresponsiveness or inability to wake up. A person who has passed out and cannot be roused, even with shouting or shaking, is not “sleeping it off.” They may be losing consciousness.
- Vomiting while unconscious or semiconscious. High levels of alcohol suppress the gag reflex. Without that reflex, a person who vomits while passed out can choke on it and suffocate.
- Seizures. Alcohol at toxic levels can trigger seizure activity as the brain’s signaling goes haywire.
- Cold, clammy, or bluish skin. Alcohol causes blood vessels to dilate, which drops body temperature. Pale or blue-tinged skin, especially around the lips and fingertips, means the body isn’t circulating oxygen well.
- Confusion beyond normal drunkenness. Not knowing where they are, who they’re with, or being unable to speak coherently, even for someone who’s been drinking, suggests a dangerous level of impairment.
You don’t need to see every one of these signs. Even one or two, particularly slow breathing or unresponsiveness, is enough to warrant an emergency call.
Why “Sleeping It Off” Can Be Fatal
One of the most dangerous misconceptions is that a person who has passed out from drinking just needs to sleep. The problem is that blood alcohol levels can continue rising even after someone stops drinking. Alcohol in the stomach and intestines keeps absorbing into the bloodstream for up to 40 minutes or more after the last drink. That means a person who seems okay when they lie down can reach a much higher, more dangerous blood alcohol concentration while unconscious.
At a blood alcohol concentration of 0.30% to 0.40%, alcohol poisoning and loss of consciousness are likely. Above 0.40%, the risk of coma and death from respiratory failure becomes very real. For reference, the legal driving limit is 0.08%, so these levels represent four to five times that threshold. The body can only process roughly one standard drink per hour, so someone who has consumed a large amount in a short window may have hours of rising blood alcohol ahead of them.
If someone has passed out and you’re unsure whether they’re in danger, try to wake them. If they don’t respond, or respond only with groaning and can’t open their eyes or speak, treat it as an emergency. While waiting for help, turn them on their side (the recovery position) so that if they vomit, it drains out of their mouth rather than blocking their airway.
Who Is Most at Risk
Alcohol poisoning most often results from binge drinking, defined by the CDC as four or more drinks in a single occasion for women or five or more for men. But the threshold for poisoning varies widely from person to person. Body weight, how much food is in the stomach, how quickly drinks were consumed, tolerance level, and whether other substances are involved all shift the danger zone.
Drinking games, shots consumed in rapid succession, and mixing alcohol with other sedatives (including some prescription medications) dramatically increase the risk. Smaller-bodied people reach dangerous blood alcohol levels faster. Someone who rarely drinks has less physiological tolerance and can be overwhelmed by amounts that a habitual drinker might tolerate, though habitual drinkers are far from immune.
What Happens at the Hospital
Treatment for alcohol poisoning is primarily supportive, meaning the medical team keeps you alive and stable while your body clears the alcohol. That typically includes close monitoring of breathing and heart rate, oxygen therapy if breathing has become too shallow, and IV fluids to counter dehydration. Vitamins and glucose are given to prevent complications like dangerously low blood sugar or nutritional deficits that can worsen brain function.
In rare cases involving accidental ingestion of non-drinking alcohols (like methanol found in some industrial products), a filtering process called hemodialysis may be needed to remove the toxin from the blood. For standard alcohol poisoning from beer, wine, or liquor, though, there is no antidote or shortcut. The body simply needs time, and the hospital’s job is to make sure nothing goes wrong during that time.
Most people recover within several hours to a day once they’re medically stabilized. However, a severe episode can cause lasting effects. Prolonged oxygen deprivation from suppressed breathing or choking on vomit can result in brain damage. Severe dehydration can stress the kidneys. Even a single episode of alcohol poisoning places significant strain on the heart and liver.
What Does Not Help
Many common “remedies” for someone who appears dangerously drunk are ineffective or actively harmful. Cold showers do not sober a person up and can cause a dangerous drop in body temperature when the body is already struggling to stay warm. Black coffee does nothing to lower blood alcohol levels and can worsen dehydration. Making someone vomit is risky because, with a suppressed gag reflex, they can aspirate the vomit into their lungs. Walking someone around will not speed up alcohol metabolism and increases the risk of falls and injury.
The only thing that reverses alcohol poisoning is time, and the only thing that keeps someone safe during that time is medical attention. If you’re questioning whether someone (or you) might have alcohol poisoning, the fact that you’re asking the question is reason enough to get help. Erring on the side of calling for emergency services is always the right call. People survive alcohol poisoning when they get help early. They die from it when someone assumes they’ll be fine by morning.