Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
After emergency treatment, the care team decides how long observation should continue.
This depends on the barbiturate involved, symptom duration, blood test results, and whether other substances were taken.
A person should not leave care simply because they feel less sleepy.
Call emergency services for renewed difficulty waking, slow or irregular breathing, fainting, blue or gray lips, severe confusion, or a seizure.
Until a clinician says it is safe, avoid driving, operating machinery, alcohol, and any nonprescribed sedating substance.
And for anyone, someone who:
Contact a clinician promptly if a new cough, fever, chest discomfort, or shortness of breath develops, because these may be signs of aspiration-related lung problems.
Routine follow-up may include a review of all prescription and nonprescription medicines.
The goal is to identify dosing confusion, duplicate medicines, unsafe combinations, or storage problems.
A pharmacist can help explain labels and organize a safer medication plan.
Follow-up may include counseling, safety planning, treatment for depression or another mental health condition, and support for substance use.
These services are intended to promote safety and recovery, not to punish or blame.
Arrange routine medical follow-up for ongoing fatigue, memory difficulty, weakness, medication concerns, or skin injuries.
And for anyone, someone who:
The article also says
People who take barbiturates regularly should not suddenly stop them without medical guidance.
Abrupt withdrawal can cause anxiety, shaking, confusion, hallucinations, or seizures and may be dangerous.
A clinician can determine whether gradual reduction or specialist care is appropriate.
After an intentional overdose, a mental health assessment is an important part of care.
Every sign above is quoted from the sofidex article on Barbiturate intoxication and overdose. If you are not sure, err upward — it is always reasonable to be checked.