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

Last Updated: 01.07.2025 10:31

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).

Affective disorders

Grief (yes, sadly)

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Dementia with Lewy bodies

Seizures

Parkinson's disease

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Sleep disorders

Migraines

Delirium tremens

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Infection

PTSD

Hallucinogen use

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Alcohol

Pharmaceutical drug (abuse or side effects)

Brain Tumors

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

Bipolar disorder

Charles Bonnet syndrome

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Stress

Alzheimer's disease,

Narcolepsy

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Fever

⁉️sources from my experiences and internet research ⁉️

Alcohol withdrawal

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Mental disorder

Head injury

Withdrawal from benzodiazepines

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