GHB in liquid form is tasteless and odorless making it impossible to detect in drinks. There are no known synthetic forms of ketamine at this time. Ketamine can be snorted, consumed in drinks or food, injected, or smoked. Ketamine is often obtained by burglarizing veterinary clinics. The dissociative state produced by ketamine may only last for one hour but impairment of coordination and judgement can last for up to 48 hours.
Larger doses can cause respiratory distress, oxygen starvation to the brain, seizures and death.
There is evidence that long term use leads to tolerance and physical or psychological dependence. It was first synthesized in the 1940 s based on the known effects of lysergic acid derivatives, which are naturally occurring toxic substances found in morning glory seeds and a fungus that grows on rye. LSD is more commonly known as acid. LSD is taken by mouth or dropped into the eyes. It is easily absorbed in blotter paper.