0.020-0.039%No loss of coordination, slight euphoria, and loss of shyness. Relaxation, but depressant effects are not apparent.
0.040-0.059%Feeling of well-being, relaxation, lower inhibitions, and sensation of warmth. Euphoria. Some minor impairment of judgment and memory, lowering of caution.
0.06-0.099%Slight impairment of balance, speech, vision, reaction time, and hearing. Euphoria. Reduced judgment and self-control. Impaired reasoning and memory.
0.100-0.129%Significant impairment of motor coordination and loss of good judgment. Speech may be slurred; balance, peripheral vision, reaction time, and hearing will be impaired.
0.130-0.159%Gross motor impairment and lack of physical control. Blurred vision and major loss of balance. Euphoria is reducing and beginning dysphoria (a state of feeling unwell)
0.160-0.199%Dysphoria predominates, nausea may appear. The drinker has the appearance of a sloppy drunk.
0.200-0.249%Needs assistance in walking; total mental confusion. Dysphoria with nausea and vomiting; possible blackout.
0.250-0.399%Alcohol poisoning. Loss of consciousness.
0.40% +Onset of coma, possible death due to respiratory arrest.