Hallucinating
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Try one of these related symptoms.
Hallucinations
Tactile hallucination
Hearing sounds that aren’t real
Seeing things and feeling restless after cutting down on alcohol less than 2 days ago
See things don't exist
Visual hallucinations from alcohol withdrawal less than 2 days ago
Imaginary insects
Daydreaming
Delirium
Hallucinating
About the Symptom
Most commonly, a hallucination can be seeing or hearing something that does not exist, but it could also include one of the other senses such as smell or touch. It can be caused by many different physical or psychiatric conditions.
When to See a Doctor
Seek professional care if you experience any of the following symptoms
- Hallucinations
Possible Causes
Generally, Hallucinating can be related to:
- Schizophrenia
A psychotic disorder characterized by disturbances in thinking (cognition), emotional responsiveness, and behavior, with an age of onset typically between the late teens and mid-30s. Hearing voices and/or believing things that aren't consistent with reality are common symptoms. The exact cause is unknown, but a mix of genetic, psychological, and environmental factors are likely responsible.
- Dissociative Disorder
Dissociative disorder is a mental disorder that involves experiencing a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity. People with dissociative disorder escape reality in ways that are involuntary and unhealthy, causing problems with functioning in everyday life.
Herpes Simplex Encephalitis (HSE)
Herpes encephalitis is inflammation of the brain caused by the herpes simplex virus, resulting in neurological symptoms.
- Bipolar Disorder
- Parkinson's Disease
Related Serious Diseases
Sometimes, Hallucinating may be related to these serious diseases:
Posterior Reversible Encephalopathy Syndrome (PRES)
Posterior reversible encephalopathy syndrome (PRES) is a brain dysfunction characterized by reversible changes in white matter, often associated with hypertension.
- Wernicke Encephalopathy
- Encephalitis / Encephalopathy
- Dehydration
- Epilepsy
Doctor's Diagnostic Questions
Your doctor may ask these questions to check for this symptom:
- Have you been experiencing any hallucinations?
- When did you first notice the hallucinations?
- How often do you experience hallucinations?
- Do you see things that aren't supposed to be there, such as bugs on the walls?
- Have you seen bugs or felt agitated within two days of stopping drinking?
Reviewed By:
Charles Carlson, DO, MS (Psychiatry)
Dr. Carlson graduated from Touro University in Nevada with a degree in osteopathic medicine. He then trained as a resident in Psychiatry at Case Western Reserve University/University Hospitals where he was also a chief resident and completed a fellowship in Public and Community Psychiatry. After training, he started practicing in | Addiction Psychiatry at the U.S. Department of Veterans Affairs where he also teaches Psychiatry residents.
Yu Shirai, MD (Psychiatry)
Dr. Shirai works at the Yotsuya Yui Clinic for mental health treatment for English and Portuguese-speaking patients. He treats a wide range of patients from neurodevelopmental disorders to dementia in children and participates in knowledge sharing through the Diversity Clinic.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Content updated on Feb 6, 2025
Following the Medical Content Editorial Policy
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- False sensory perception
- Went cold-turkey from alcohol less than 2 days ago but now seeing things and insects crawling
- Experiencing persistent visual perceptions of small insects that are not actually present
- Patient is feeling agitated and seeing things after stopping alcohol less than 2 days ago
- Hallucinations with insects
- Have hallucinations
- Hallucinating things, like insects, after stopping alcohol for 2 days or less
- Seeing things
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Jardri R, Larøi F, Waters F; International Consortium on Hallucination Research. Hallucination Research: Into the Future, and Beyond. Schizophr Bull. 2019 Feb 1;45(45 Suppl 1):S1-S4. doi: 10.1093/schbul/sby170. PMID: 30715538; PMCID: PMC6357977.
https://academic.oup.com/schizophreniabulletin/article/45/Supplement_1/S1/5305654Zepf J, Zepf S. Hallucination in Adolescence-Or, Nora in Nowhereland Between Neurosis and Psychosis. Psychoanal Rev. 2018 Oct;105(5):463-480. doi: 10.1521/prev.2018.105.5.463. PMID: 30300083.
https://guilfordjournals.com/doi/10.1521/prev.2018.105.5.463Graux J, Lemoine M, El Hage W, Camus V. From depersonalization to hallucination. Psychopathology. 2012;45(1):42-52. doi: 10.1159/000325911. Epub 2011 Nov 28. PMID: 22123515.
https://www.karger.com/Article/Abstract/325911Blom JD. Auditory hallucinations. Handb Clin Neurol. 2015;129:433-55. doi: 10.1016/B978-0-444-62630-1.00024-X. PMID: 25726283.
https://www.sciencedirect.com/science/article/abs/pii/B978044462630100024X?via%3DihubWu F, Cheng J, Wang X, Wang L, Tao D. Image Hallucination From Attribute Pairs. IEEE Trans Cybern. 2022 Jan;52(1):568-581. doi: 10.1109/TCYB.2020.2979258. Epub 2022 Jan 11. PMID: 32275630.
https://ieeexplore.ieee.org/document/9059026