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

Last Updated: 02.07.2025 17:41

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

Alzheimer's disease,

Brain Tumors

Charles Bonnet syndrome

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

Narcolepsy

Grief (yes, sadly)

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Alcohol withdrawal

Affective disorders

Pharmaceutical drug (abuse or side effects)

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Infection

Parkinson's disease

Bipolar disorder

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⁉️sources from my experiences and internet research ⁉️

Mental disorder

Head injury

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Sleep disorders

Migraines

Withdrawal from benzodiazepines

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Fever

Seizures

Delirium tremens

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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:

Dementia with Lewy bodies

Alcohol

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Hallucinogen use

Stress

PTSD

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