Gamma-Hydroxybutyric acid
GHB is a depressant of the central nervous system. Its effects have been described as similar to those of alcohol or ecstasy. People feel in a good mood. They also lower their inhibitions. If the dose is increased, the symptoms include nausea, drowsiness, breathing problems, amnesia, unconsciousness and death. The effect of GHB lasts between 1.5 and 3 hours, but may be longer. The effect when alcohol is used together with GHB, can last longer than 3 hours.