A hallucination is a perception of something that is not really there. A hallucination can involve any of the senses: hearing, sight, smell, taste, or touch.
The most common hallucinations are seeing (visual) and hearing (auditory) things. For example, the person may hear voices or see an object that other people do not see.
Other types of hallucinations include tasting (gustatory), smelling (olfactory), or feeling (tactile) something that is not there.
Treatment for hallucinations depends on the cause.
Last Revised: August 19, 2010
Author: Healthwise Staff
Medical Review: Kathleen Romito, MD - Family Medicine & Miklos Ferenc Losonczy, MD, PhD - Psychiatry
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