If something is going wrong right now
- Call 911
If someone cannot be woken, is struggling to breathe, is breathing slowly or noisily, has blue or grey lips, or is having a seizure. Do not wait to see if it improves.
- Poison Control: 1-800-222-1222
Free, 24 hours a day, staffed by toxicologists. You will not be reported to the police, and you do not need to know exactly what was taken. They will tell you whether this needs an emergency room. This is the right number for “I think something is wrong but I am not sure it is a 911.”
- Suicide & Crisis Lifeline: 988
Call or text, any time, if you are in crisis or thinking about harming yourself.
If you are trying to stop taking phenibut
Do not stop abruptly on your own if you have been taking it regularly. Stopping phenibut suddenly after regular use has caused severe withdrawal in published medical cases — including hallucinations, confusion, and psychosis serious enough to need hospital care. This is not a reason to keep taking it. It is a reason to have medical help while you stop.
Poison Control (1-800-222-1222) will talk to you about this even when it is not an emergency, and will talk to your doctor if you ask them to. It costs nothing.
If you have a doctor, tell them what you have actually been taking, including how much and for how long. Phenibut does not show up on a standard drug test, so they will not find it unless you say it. Doctors who have not encountered it before will take it seriously once they know it acts like a benzodiazepine.
To find treatment services near you: FindTreatment.gov (SAMHSA), or the SAMHSA helpline at 1-800-662-4357.
If you are helping someone else
Look for the container. Phenibut is usually a white powder in a tub or a bag, and it may be labelled as a “nootropic,” a supplement, or something ending in “HCl.” Bring it, or a photograph of it, when you call Poison Control or go to hospital — in published cases, a family member finding the container is what allowed doctors to work out what was happening.
Tell the hospital the word “phenibut” out loud. It does not appear on routine drug screens, and people in withdrawal from it have been treated for a psychiatric emergency instead because nobody knew to look.
This page is emergency information only. The rest of this site is a research reference written for clinicians, journalists, and legislative staff — it is not written for someone in trouble. The full evidence base is here if that is what you are looking for.