Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek emergency help after discharge for trouble breathing, inability to wake, seizures, repeated vomiting, blue or gray skin, severe confusion, chest pain, or new weakness.
And for anyone, someone who:
Worsening headache, unusual behavior, fainting, or increasing sleepiness after a fall also requires urgent assessment because it may indicate a head injury.
Contact a clinician promptly for persistent vomiting, fever, cough, shortness of breath, abdominal pain, or reduced urination.
These symptoms may need evaluation for aspiration, dehydration, injury, or another complication.
Routine follow-up can help review what happened, check for injuries or medication interactions, and discuss ways to reduce future risk.
This is also an opportunity for a confidential, nonjudgmental conversation about alcohol use.
The article also says
Follow the discharge instructions provided by the treating team.
Rest, hydration, and avoiding further alcohol may be advised, but recovery plans depend on the person’s condition and test results.
Someone who has recently been treated should not drive or perform hazardous tasks while still impaired.
If someone regularly drinks heavily, they should seek medical guidance before suddenly stopping.
Alcohol withdrawal is different from alcohol poisoning and can sometimes cause seizures, hallucinations, or severe confusion.
A clinician can assess withdrawal risk and discuss appropriate support.
Treatment resources may include primary care, addiction medicine, counseling, mutual-support groups, or community programs.
Every sign above is quoted from the sofidex article on Alcohol poisoning. If you are not sure, err upward — it is always reasonable to be checked.