Unfortunately, limited research exists on the addictive qualities of hallucinogens. It is currently accepted that PCP can be addictive, and terminating repetitive use will lead to withdrawal symptoms. Specifically how addicting it is in relation to other drugs isn’t clear. Regardless of the spectrum of withdrawal symptoms one may experience, the important thing is that PCP use is extremely dangerous and carries with it a wide variety of negative effects on the body, both short-term and long term.