Some people can develop a tolerance to alcohol. You’re at risk of coma and death from respiratory arrest (absence of breathing). BAC Over 0.40%: This is a potentially fatal blood alcohol level.BAC 0.30% to 0.40%: In this percentage range, you’ll likely have alcohol poisoning, a potentially life-threatening condition, and experience loss of consciousness.BAC 0.15% to 0.30%: In this percentage range, you may experience confusion, vomiting and drowsiness.BAC 0.15%: At this percentage, you may experience an altered mood, nausea and vomiting and loss of balance and some muscle control.BAC 0.10%: At this percentage, you may have a reduced reaction time, slurred speech and slowed thinking.BAC 0.08%: At this percentage, you may have reduced muscle coordination, find it more difficult to detect danger and have impaired judgment and reasoning.BAC 0.05%: At this percentage, you may feel uninhibited and have lowered alertness and impaired judgment.

BAC 0.02%: At this percentage, you may experience an altered mood, relaxation and a slight loss of judgment.BAC 0.0%: There’s no alcohol in your blood (you’re sober).Here’s how different percentages of blood alcohol content (BAC) can affect you physically and mentally: What do different blood alcohol levels indicate?Īlcohol is a central nervous system depressant (it reduces stimulation in your central nervous system) and affects every organ in your body. The amount of alcohol in your blood can vary based on several factors including: However, different beers and wines can contain different percentages of alcohol. One alcoholic drink is typically defined as 12 ounces of beer, 5 ounces of wine or 1.5 ounces of liquor. In general, your liver can process about one alcoholic drink per hour. If you’re drinking faster than your liver can process the alcohol, your BAC increases and you may feel the effects of drunkenness, also called intoxication. Alcohol is a toxin to your body, so your liver then metabolizes the alcohol to filter it out of your blood. When you drink a beverage that contains alcohol, your stomach and small intestines rapidly absorb the alcohol and enter it into your bloodstream. Blood alcohol content (BAC), also known as a blood alcohol level, is the amount of alcohol in your blood.Īlcohol (ethyl alcohol or ethanol) is the intoxicating ingredient found in beer, wine and liquor.

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