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Tactile hallucination. This refers to when a person senses that they are being touched when they are not. One of the most common complaints is the sensation of bugs crawling over the skin. This is associated with the abuse of substance such as cocaine or amphetamine.
Different types of hallucinogens distort a personâs perception in different ways. Distortions in perception result from alterations in the brainâs chemical processes and functions, according to the National Institute on Drug Abuse. List of the Types of Hallucinogens-Hallucinogens are dangerous drugs which are known to be very powerful. 2  The different types have different properties, but they share certain characteristics as well. 3  Street Names for Hallucinogens-Find out different ways of referring to various hallucinogens.