Alcohol Poisoning: Signs, Symptoms, and When to Get Emergency Help

During celebrations, it’s easy to overlook how quickly fun can turn into a medical crisis. Beyond drunk, alcohol poisoning is a medical emergency. It’s caused by a toxic overdose of alcohol that shuts down vital life functions. It’s more than “just being very drunk” (e.g., slurred speech vs. no speech; unsteady vs. completely unconscious).

“Waiting it out” or using folk remedies is dangerously ineffective. Knowing the signs and acting fast can save a life. In this article, I explain what’s involved and how to respond.

What Is Alcohol Poisoning?

Alcohol poisoning occurs when the liver is overwhelmed by a rapid, excessive intake of alcohol, leading to a dangerously high blood alcohol concentration (BAC). A BAC of 0.31 to 0.45 is dangerous and puts a person at risk of alcohol poisoning. Even when someone stops drinking, their BAC can continue to rise for 30–40 minutes, resulting in worsening symptoms.

It’s not just about “how much” but also the speed of drinking, body weight, tolerance, mixing substances, and an empty stomach.

Alcohol is a central nervous system depressant. When you drink, your liver filters the toxic metabolic products of alcohol and prevents them from getting into your bloodstream. However, drinking too much within a short period can overwhelm the liver and prevent it from being able to detoxify the blood \[1\].

In toxic amounts, alcohol severely disrupts the brain areas that control vital involuntary functions like breathing, heart rate, and the gag reflex. This depression can cause breathing to become slow, irregular, or stop entirely, and it suppresses the reflex that prevents choking on vomit.

Essentially, the body’s essential life-support systems begin to shut down, creating a critical medical emergency.

Signs and Symptoms of Alcohol Poisoning

Even one of the below can signal alcohol poisoning and warrants emergency assessment \[2\] \[3\].

• Mental state changes: Confusion, stupor, inability to stay awake, being unconscious, and being very hard or impossible to rouse.

• Breathing problems: Slow breathing (often under 8–10 breaths per minute), irregular breathing, or pauses between breaths.

• Vomiting: Repeated vomiting, vomiting while very drowsy or passed out, or not waking up after vomiting.

• Skin changes: Cold, clammy, very pale, ashen, or blue‑tinged skin, lips, or nail beds (suggesting poor oxygenation).

• Temperature and circulation: Low body temperature, shivering, or cool extremities.

• Seizures or fits: Any seizure after drinking heavily is an emergency red flag.

• Weak pulse or slow heart rate alongside other symptoms.

A person who is “very drunk” but still rousable, able to answer simple questions, and breathing regularly is at risk; however, a person who is difficult to wake, vomits while unresponsive, and has slow, irregular breathing is in a medical emergency.

What NOT to Do: Dangerous Myths and Mistakes

Alcohol levels in the blood can keep rising for some time after the last drink, so someone who seems “just very drunk” can deteriorate quickly. If you are helping someone with these symptoms, note the following \[4\]:

• Do NOT leave the person alone to “sleep it off.”
• Do NOT give them coffee or a cold shower or try to “walk them around.” This does not reverse poisoning and can lead to injury.
• Do NOT make them vomit intentionally (choking risk).
• Do NOT assume they’ll be fine if they are unconscious.

When To Get Emergency Help

• Call your local emergency number (911) \[5\]
• If you think someone has alcohol poisoning, even if you are not sure.
• If the person has lost consciousness or can’t be reliably kept awake.
• If breathing is slow, irregular, or has stopped.
• If they are having a seizure.
• If their skin looks blue, gray, or very pale, or is cold or clammy.

What to Do While Waiting for Help

• Stay with the person; do not leave them alone \[4\].

• If they are awake, keep them sitting up if possible and encourage small sips of water only if they can swallow safely.

• If they are unconscious or can’t sit up, place them on their side in the recovery position (on their side, top knee bent, head tilted slightly back) to reduce the risk of choking on vomit.

• Keep them warm with a blanket or coat.

• Tell responders what and how much they drank, when, and whether they took any other substances or medicines.

• Be honest with emergency responders. Fear of legal trouble should not stop you from calling; many regions have “Good Samaritan” or medical amnesty protections when seeking help for an overdose or alcohol emergency.

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We offer a wide range of evidence-based therapies, counseling, and trauma-informed support to assist you in your healing. We personalize each treatment plan around the needs of our patients.

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Sources

Fletcher S. 2023. Alcohol Poisoning Guide: Signs, Causes, and Treatment. Canadiancentreforaddictions.org.

Newman T. 2023. What to know about alcohol poisoning. MedicalNewsToday.com

Mayo Clinic. 2023. Alcohol Poisoning. Mayoclinic.org.

Heid M. 2023. Alcohol Poisoning: How Much Alcohol Is Too Much? WebMD. Aussem P. 2025. When to Call for Help: Alcohol Intoxication vs. Alcohol Poisoning. Drugfree.org.