Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?

Last Updated: 30.06.2025 05:15

Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?

Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:

Parkinson's disease

Narcolepsy

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Affective disorders

PTSD

Migraines

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Fever

Hallucinogen use

Grief (yes, sadly)

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Bipolar disorder

Stress

Alzheimer's disease,

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Mental disorder

Infection

⁉️sources from my experiences and internet research ⁉️

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Head injury

Withdrawal from benzodiazepines

Delirium tremens

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Charles Bonnet syndrome

Sleep disorders

Brain Tumors

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Alcohol withdrawal

Seizures

Alcohol

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Dementia with Lewy bodies

Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).

Pharmaceutical drug (abuse or side effects)

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