What are the different types of hallucinations and their characteristics?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Hallucinations are sensory experiences—such as seeing, hearing, smelling, or feeling things that aren't actually there—and can occur in conditions like schizophrenia, bipolar disorder, Parkinson's disease, dementia, severe sleep deprivation, or substance use. Identifying the underlying cause early is key to getting the right treatment.

If you or a loved one is experiencing hallucinations, don't wait to seek clarity. A free, instant, online symptom check can help you quickly narrow down possible causes based on your specific symptoms and guide you toward the appropriate next steps—whether that's speaking with a primary care doctor, a neurologist, or a mental health specialist. Understanding what's happening is the first step toward feeling better.

Reviewed for medical accuracy: 07/14/2026

Important Next Steps

Discover what may cause hallucinations Learn if hallucinations need urgent care Find out if hallucinations are serious See over-the-counter options for hallucinations Find a doctor for hallucination concerns Understand medically valid home remedies for hallucinations Check likely causes of hallucinations now

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Explanation

Hallucinations are experiences where someone sees, hears, or feels things that are not present. They can happen in various conditions such as schizophrenia.

Types of Hallucinations:

Auditory Hallucinations: These are the most common types of hallucinations in schizophrenia and involve hearing voices or sounds that others do not hear. They can be distressing and may affect daily life.
Visual Hallucinations: People may see things that are not there, like shapes, lights, or even people.
Tactile Hallucinations: This involves feeling sensations on the skin that are not real, such as bugs crawling.

Characteristics:

Hallucinations can vary in intensity and can be influenced by stress or lack of sleep.
They can be a part of both mental health conditions and neurological disorders.

If you or someone you know is experiencing hallucinations, it is important to seek help from a healthcare professional for personalized assessment and treatment. To better understand your symptoms and get guidance on next steps, try Ubie's free AI symptom checker.

(References)

Mueser KT, Bellack AS, & Brady EU. (1990). Hallucinations in schizophrenia. Acta psychiatrica Scandinavica, 2399817.
Kasper BS, Kasper EM, Pauli E, & Stefan H. (2010). Phenomenology of hallucinations, illusions, and delusions .... Epilepsy & behavior : E&B, 20483670.
Blom JD. (2015). Auditory hallucinations. Handbook of clinical neurology, 25726283.

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