Comment. If we are to believe this study, then there is indeed a dose-dependent correlation between alcohol abuse and paradoxical excitement response in patients sedated with propofol. The authors (and other before them) suggest this has to to with genetic variations of the GABA-receptors.
Medical Attention for a Painkiller Overdose. A known or suspected painkiller overdose is a medical emergency that requires immediate assistance. Contact your local emergency number or 9-1-1 to get help. Tell the paramedics how much of the drug was ingested and the time in which it was ingested.
Do not stop taking this medicine without first checking with your doctor. Stopping suddenly may cause a serious change in heart function. Watch for signs and symptoms of overdose while you are taking this medicine. Follow your doctor's directions carefully. The amount of this medicine needed to help most people is very close to the amount that could cause serious problems from overdose. Some early warning signs of overdose are confusion, loss of appetite, nausea, vomiting, diarrhea, or vision problems. Other signs of overdose are changes in the rate or rhythm of the heartbeat (becoming irregular or slow), palpitations (feeling of pounding in the chest), or fainting. In infants and small children, the earliest signs of overdose are changes in the rate and rhythm of the heartbeat.