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The effects of alcohol intoxication are greatly influenced by individual variations among users. Some users may become intoxicated at a much lower Blood Alcohol Concentration (BAC) level than is shown.
| 0.02 – 0.03 BAC |
 |
- slight euphoria, loss of shyness
- depressant effects are not apparent
- mildly relaxed and maybe a little lightheaded
|
| 0.04 – 0.06 BAC |
- euphoria
- feeling of well-being, relaxation, lower inhibitions, sensation of warmth
- minor impairment of reasoning and memory
- lowering of caution
- exaggerated behavior
- intensified emotions
|
| 0.07 – 0.09 BAC |
 |
- .08 is legally impaired and it is illegal to drive at this level
- slight impairment of balance, speech, vision, reaction time, and hearing
- euphoria
- reduced judgment and self-control
- impaired caution, reason and memory
- belief that they are functioning better than they really are
|
| 0.10 – 0.125 BAC |
- significant impairment of motor coordination
- loss of good judgment
- speech may be slurred
- impaired
balance, vision, reaction time, and hearing
- euphoria
|
| 0.13 – 0.15 BAC |
 |
- gross motor impairment and lack of physical control
- blurred vision
- major loss of balance
- severely impaired judgment and perception
- reduced euphoria
- dysphoria (anxiety, restlessness) beginning to appear
|
| 0.16 – 0.19 BAC |
- dysphoria predominates
- nausea may appear
- drinker has the appearance of a “sloppy drunk”
|
| 0.20 BAC |
 |
- feeling dazed, confused, and otherwise disoriented
- may need help to stand or walk
- if injured, may not feel the pain
- nausea and vomiting
- impaired gag reflex—drinker can choke if they vomit
- blackouts—drinker may not remember what has happened
|
| 0.25 BAC |
- severely impaired mental, physical, and sensory functions
- increased risk of asphyxiation from choking on vomit
- increased risk of serious injury by falls or other unintentional accidents
|
| 0.30 BAC |
|
- stupor
- little comprehension of where they are
- may pass out suddenly and be difficult to awaken
|
| 0.35 BAC |
- level of surgical anesthesia
- coma is possible
|
| 0.40 BAC + |
 |
- onset of coma
- possible death due to respiratory arrest
|
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