How are hallucinogens addictive?

Most hallucinogens are not addictive. Ketamine is one notable exception, as this drug is known for having a fairly significant potential for psychological addiction. Drugs such as DXM can also be...

Hallucinogen is a general term for drugs that cause one to have hallucinations or, more broadly, those that drastically alter one's perception (which is technically is not considered hallucination)....

PCP is sometimes considered an hallucinogen because it has some of the same effects. However, it does not fit easily into any one drug

it makes u see things that arant there and hear things too which u have too to see a doctor our something

Always addictive.