Ketamine is available in powder and liquid form. The powder can be snorted or taken orally. The liquid can be injected intravenously, into a muscle (intramuscularly), or under the skin (subcutaneously).
Phencyclidine (PCP or angel dust) is most often smoked after being sprinkled on plant material, such as parsley, mint leaves, tobacco, or marijuana Marijuana Marijuana (cannabis) is a drug made from the plants Cannabis sativa and Cannabis indica that contain a psychoactive chemical called delta-9-tetrahydrocannabinol (THC). Marijuana produces a dreamy... read more (some street names are "wet" and "fry"). It can also be snorted or taken orally.
(See also Drug Use and Abuse Overview of Substance-Related Disorders Drugs are an integral part of everyday life for many people, whether the drugs are used for legitimate medical purposes or recreationally (see table Drugs with Medical and Recreational Uses)... read more .)
Ketamine and PCP cause giddiness and euphoria, which are often followed by bursts of anxiety. With high doses (overdose), users have a distorted perception of their body, the environment, and time. They feel scattered or as if they are not real (called depersonalization), and they feel detached from their environment (called dissociation).
At even higher doses, hallucinations and paranoid delusions may occur, and the sense of detachment from the world intensifies. Ketamine users often refer to these experiences as a k-hole. People may become combative. Coordination may be lost, and muscles tremble and jerk.
Very high doses may cause
Usually, reassurance and a quiet, nonthreatening environment help people recover from the effects of ketamine use. People usually return to normal consciousness in 45 minutes to several hours. Benzodiazepines (sedatives) can be used to control agitation and seizures.