B. It is ingested as a tablet or capsule, and sometimes is mixed in drinks as a powder. At low doses it causes disinhibition, enhanced pleasure, heightened sexuality, and the sense of touch can be enhanced. At higher doses it causes more of a stimulant effect including anxiety, panic, nausea, loss of appetite, chills, diaphoresis, distorted thoughts, feelings or awareness, and increased heart rate and blood pressure. There can also be teeth grinding, impaired gait or restless legs. With abuse or toxic doses there can be dysrhythmias, hyperthermia, rhabdomyolysis, disseminated intravascular coagulation, confusion, drug craving, seizures, hyperventilation, chest pain and even cardiac arrest.
Treatment is supportive therapy.
There is no antidote. It is detected on a drug screen as amphetamines. For this reason was initially sold in health food stores as GBL, which is then converted to GHB in the body. It has been touted as causing muscle growth without exercise. This is not true, but has caused it to be popular among body builders.