Alcohol Effects in Nonalcoholic Adults

Blood Ethanol (Alcohol) Concentration (mg/dL)	Impairment
20-50	Impaired fine motor function
50-10	Impaired judgment and coordination
100-150	Difficulty walking and balance
150-200	Lethargy
300	Coma
400	Respiratory depression
500	Potential Death

Medically Reviewed by Melissa Conrad Stöppler, MD

These are estimates. The doctor may modify depending on the individual.

Reference: Birnbaumer, Bessen. Alcohols and Glycols. In: Rosen et al, eds. Emergency Medicine - Concepts and Clinical Practice, 3rd ed. St. Louis: Mosby; 1990:2520.

Consumer e-Tools are not intended to provide professional advice or recommend particular products. Physicians and healthcare professionals should exercise their own clinical judgment when assessing the results of our tools or calculators. Consumers should consult a doctor for advice when assessing the results.

Last Editorial Review: 1/8/2008