What are the different types of tactile hallucinations and their causes?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Tactile hallucinations are false sensations of touch, movement, or pressure on or under the skin that occur without any real physical cause. Common triggers include drug or alcohol use (especially withdrawal), Parkinson's disease, dementia, schizophrenia, and other mental health conditions. Symptoms may feel like crawling insects, tingling, burning, or being touched by something unseen.

Because tactile hallucinations can signal a serious underlying medical or neurological condition, identifying the root cause quickly is essential. A fast, private, and free online symptom check can help you clarify what may be causing your symptoms and guide you toward the right next step—whether that's seeing a neurologist, a psychiatrist, or your primary care doctor. Take a few minutes now to gain clarity and confidence about what to do next.

Reviewed for medical accuracy: 07/14/2026

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Explanation

Tactile hallucinations are sensations that feel like something is touching or moving on the skin, even though nothing is there. These can happen for different reasons:

Drug-Induced Tactile Hallucinations: Some drugs can cause these feelings. This is not only from recreational drugs but also from certain medications. People might feel bugs crawling on their skin, a sensation sometimes called "formication."
Parkinson's Disease: People with Parkinson's disease might experience tactile hallucinations. This can be due to changes in the brain or as a side effect of the medications used to treat Parkinson's.
Delusion of Parasitosis: This is a mental health condition where people believe they are infested with bugs, leading to chronic tactile hallucinations. They might feel itching or crawling sensations on their skin.

If you or someone you know is experiencing these symptoms, it is important to seek help from a healthcare provider. To better understand your symptoms and get personalized guidance, try our free AI-powered symptom checker.

(References)

Nakamura M, & Koo J. (2016). Drug-Induced Tactile Hallucinations Beyond Recreational .... American journal of clinical dermatology, 27637620.
Fénelon G, Thobois S, Bonnet AM, Broussolle E, & Tison F. (2002). Tactile hallucinations in Parkinson's disease. Journal of neurology, 12529792.
de Leon J, Antelo RE, & Simpson G. (1992). Delusion of parasitosis or chronic tactile hallucinosis. Comprehensive psychiatry, 1555406.

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