Alcohol intoxication is manifested by such signs as facial flushing, slurred speech, unsteady gait, euphoria, increased activity, volubility, disorderly conduct, slowed reactions
[who.int]
Without this enzyme, ingestion of ethanol results in facial flushing, occasionally with nausea and tachycardia, in a syndrome colloquially known as the "Asian flush.”
[clinicaladvisor.com]
Findings on physical examination include: Head, Eyes, Ears, Nose, Throat: Facial flushing and conjunctival injection.
[clinicaladvisor.com]