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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 00:21

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

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

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

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Bipolar disorder

⁉️sources from my experiences and internet research ⁉️

Dementia with Lewy bodies

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Sleep disorders

Pharmaceutical drug (abuse or side effects)

Grief (yes, sadly)

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Delirium tremens

Stress

PTSD

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Migraines

Head injury

Mental disorder

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Charles Bonnet syndrome

Seizures

Hallucinogen use

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Alcohol

Affective disorders

Fever

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Alcohol withdrawal

Narcolepsy

Brain Tumors

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Infection

Withdrawal from benzodiazepines

Alzheimer's disease,

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