Complications
By Mayo Clinic staffAlcohol is a stomach irritant and may cause vomiting. It also depresses your gag reflex. This increases the risk of choking on vomit if you've passed out from excessive drinking. There's also a risk of accidentally inhaling vomit into your lungs, which can lead to a dangerous or fatal interruption of breathing (asphyxiation). Excessive vomiting can also result in severe dehydration.
Severe alcohol poisoning can be fatal. People who survive may have irreversible brain damage.
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